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{{Era|Forerunner|Covenant|Human|UNSC|HCW|Post}}
{{Status|Canon}}
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{{References}}
{{References}}
[[File:Main-Forerunner.png|thumb|right|200px|One of the most common Forerunner glyphs, symbolizing the [[Mantle|Mantle of Responsibility]].]]
 
'''Forerunner symbols''' were used by the [[Forerunner]]s to convey a variety of meanings. These symbols can be found on Forerunner technology and within Forerunner installations, including the [[Halo Array]]. They are also found on many pieces of [[Covenant Empire|Covenant]] technology.
[[File:Main-Forerunner.png|thumb|200px|The Eld, the glyph symbolizing the [[Mantle|Mantle of Responsibility]], one of the most common Forerunner glyphs.]]
The [[Forerunner]]s used several forms of '''symbols and glyphs''' to convey a variety of meanings. These symbols can be found on Forerunner technology and within Forerunner installations, including the [[Halo Array]]. The [[Covenant]] later adopted these symbols for their writing system as well as [[Covenant religion|religious]] imagery and as such, they are also commonly seen in Covenant technology and architecture.


==Background==
==Background==
[[File:Frglyphs 1.jpg|thumb|Forerunner script.]]
While the specifics of Forerunner languages such as [[Jagon]] and [[Digon]] remain a mystery, with only a handful of words known, the writing system they used to convey meaning is far better understood.  
While the specifics of Forerunner languages such as [[Jagon]] and [[Digon]] remain a mystery, with only a handful of words known, the writing system they used to convey meaning is far better understood. The Forerunners appear to have used two different writing methods; the first was a system of glyphs or [[Wikipedia:Logograms|logograms]], rather than parts of an [[Wikipedia:Alphabet|alphabet]], highly contextual in nature, with the meaning of different glyphs altered by order and context, and further meaning could be derived if the reader used more three-dimensional interpretations; when combined with different glyphs, a symbol might have radically different meanings, making individual glyphs [[Wikipedia:Pictogram|pictograms]] or [[Wikipedia:Ideogram|ideograms]].


The second mode seems to be a more conventional writing system, using two-dimensional characters written vertically. While the glyph system is common to Forerunner relics, the writing system seems to have been used far less frequently, and the only known examples of its use have all been found on Forerunner relics on [[Installation 00]], either inscribed onto stone relics<ref>'''Halo 3''', multiplayer map ''[[Sandtrap]]''</ref><ref>'''Halo 3''', multiplayer map ''[[Sandbox]]''</ref> or in holographic form.<ref>'''Halo 3''', multiplayer map ''[[Epitaph]]''</ref><ref>'''Halo 3''', multiplayer map ''[[Construct (level)|Construct]]''</ref>
The Forerunners appear to have used two different writing methods; the first was a system of glyphs or [[Wikipedia:Logograms|logograms]], rather than parts of an [[Wikipedia:Alphabet|alphabet]], highly contextual in nature, with the meaning of different glyphs altered by order and context, and further meaning could be derived if the reader used more three-dimensional interpretations; when combined with different glyphs, a symbol might have radically different meanings, making individual glyphs [[Wikipedia:Pictogram|pictograms]] or [[Wikipedia:Ideogram|ideograms]].
 
The second mode seems to be a more conventional writing system, using two-dimensional characters. There appear to be at least two variations of this conventional script. One type, observed in Forerunner relics on [[Installation 00]], either inscribed onto stone relics<ref>'''Halo 3''', multiplayer map, ''[[Sandtrap]]''</ref><ref>'''Halo 3''', multiplayer map, ''[[Sandbox]]''</ref> or in holographic form,<ref>'''Halo 3''', multiplayer map, ''[[Epitaph]]''</ref><ref>'''Halo 3''', multiplayer map, ''[[Construct]]''</ref> involves highly complex characters resembling digital patterns or bar codes written vertically. In the other writing system, the characters are considerably simpler, consisting of a series of dots, squares, bars and triangles. The Covenant [[Sangheili (language)|script]] is derived from the latter, although they use highly embellished variations of the original characters used by the Forerunners.<ref>'''Halo: First Strike''', ''page 197''</ref>


Other symbols found on Forerunner relics and structures are even less obvious in their meanings. They are obviously decorative in nature, but they are often larger and more elaborate in nature than their glyphs, and may depict specific shapes and forms, and may have more in common with [[Wikipedia:Petroglyph|petroglyphs]] than logograms.
Other symbols found on Forerunner relics and structures are even less obvious in their meanings. They are obviously decorative in nature, but they are often larger and more elaborate in nature than their glyphs, and may depict specific shapes and forms, and may have more in common with [[Wikipedia:Petroglyph|petroglyphs]] than logograms.


Forerunner glyphs are found on Covenant [[Luminary|Luminaries]] as indicators of Forerunner relics, as the reclaimer glyph was seen to represent humans on [[Harvest]].
The glyph system was also adopted by the Covenant as religious symbols, despite having little idea as to the true meanings of the original symbols; the most notorious example is their mistranslation of the "[[Reclaimer]]" glyph as meaning "Reclamation". Forerunner glyphs are found on Covenant [[Luminary|Luminaries]] as indicators of Forerunner relics, as the Reclaimer glyph was seen to represent humans on [[Harvest]]. Humans in general have had little success in translating Forerunner texts, with the notable exception of Dr. [[Catherine Halsey]].<ref>''[[Halo: Ghosts of Onyx]]''</ref> Indeed, it took nearly five years to decode glyphs recovered during the [[Battle of New Mombasa]].<ref name="ope">'''[[Halo: Spartan Strike]]''', ''[[Operation E: Brother’s Keeper]]''</ref>
 
==Specific symbols==
===Eld===
The glyph representing the [[Mantle|Mantle of Responsibility]],<ref name="requiem">'''Halo 4''', campaign level, ''[[Requiem (level)|Requiem]]''</ref> the main belief system of the Forerunners, is perhaps the most ancient and ubiquitous Forerunner glyph. Known as the ''Eld'' or the ''Tree-mark'' due to its resemblance to a heavily stylized tree,<ref>'''Halo: Silentium''', ''page 142-143''</ref> the symbol appears frequently on Forerunner structures and installations due to the Mantle's all-encompassing nature in Forerunner society.
 
Among many other sites, this symbol appears inside and outside [[Installation 04]]'s [[Silent Cartographer]],<ref>'''[[Halo: Combat Evolved]]''', campaign level, ''[[The Silent Cartographer]]''</ref><ref>'''[[Halo: Combat Evolved Anniversary]]''', campaign level, ''[[The Silent Cartographer]]''</ref> as well as on [[Installation 05]] in various areas.<ref>'''[[Halo 2]]'''</ref> It also appears on [[Installation 00|the Ark]]'s surface, if viewed from space. It also makes an appearance in the [[Terminal (Halo 3)|Terminal]]s throughout the Ark. The symbol also appears on top of a [[Monitor]]'s "head" and behind the "eye" on the center orb. The surface of [[Requiem]] also bears the symbol,<ref>'''[[Halo 3]]''', ''Epilogue''</ref> and the symbol is found in a wall on Requiem, accompanied by the inscription ''"Guardianship for all living things lies with those whose evolution is most complete. The Mantle of Responsibility shelters all."''.{{Ref/Reuse|requiem}} A similar symbol was found on [[Installation 03]] and moved to [[Ivanoff Station]] to be studied.<ref name="Composer">'''Halo 4''', campaign level, ''[[Composer (level)|Composer]]''</ref>
 
<gallery>
File:Silent Cartographer Eld.png|Eld under Installation 04's [[Cartographer]].
File:Halo_CE_Derelict.jpg|The Mantle symbol in the [[Deep-Space Anomaly#0198]].
File:Ark_symbol.jpg|The Mantle symbol on the Ark's surface.
File:H2-Uprising Eld.png|An engraving of the [[Mantle#Symbol|Mantle symbol]] on Installation 05.
File:Forerunner Spaceship eld.png|Eld on one of the "fins" of the [[Babd Catha Forerunner vessel]].
</gallery>
 
===Shield World===
[[Shield World]]s are represented by a symbol described as a "double-lobed icon". The symbol was described when [[Catherine Halsey|Dr. Halsey]] was compiling her data with the [[Artificial intelligence|AI]] [[Endless Summer]]. While Dr. Halsey was working, [[Franklin Mendez|CPO Mendez]] asked her what the symbols on the screen are. Dr. Halsey replied that they are Forerunner symbols from the ruins on Onyx, and their theoretical translations. As she continued to work, Mendez then asked the meaning of a double-lobed glyph. Dr. Halsey replied that the symbol, roughly translated, means Shield World.<ref name="goo">'''[[Halo: Ghosts of Onyx]]''', ''page 181''</ref>
<gallery>
File:HW 10021 symbol.JPG|[[Shield World 10021]]
</gallery>
 
===Reclaimer===
The Forerunner glyph representing a [[Reclaimer]] is identical to the ''[[Marathon]]'' symbol,<ref>''[[Halo: Contact Harvest]]''</ref> although the same symbol appears to have been in common use in Forerunner constructs, including the "eye" of [[343 Guilty Spark]], as well as the frontal section of an [[Enforcer]]. However, after ''[[Halo: Reach]]'', later media featured a more vague appearance of the original symbol.
 
The original ''Marathon'' symbol is also used by humans in various instances, and it is the [[ship emblem]] of the {{UNSCShip|Pillar of Autumn}}. It is unknown if this is simply a coincidence, or if there is a relation to their status as Reclaimers.
 
<gallery>
File:Reclaimer - H4.png|The Reclaimer glyph.
File:Spartan_Ops_Reclaimer_Control_Pannel.png|The Reclaimer glyph on a Requiem control panel.
</gallery>
 
==Defined types of circle symbols==
===Sigils===
A ''sigil'' is a symbol representing a specific Forerunner,<ref name="s85">'''Halo: Silentium''', ''page 85''</ref> [[ancilla]], or any other entity. They were often used to label transmissions,<ref>'''Halo 3''', ''[[Terminal (Halo 3)|Terminals]]''</ref> or to indicate affiliation with a given individual; for example, members of [[Master Builder]] [[Faber]]'s personal security carried his sigil.{{Ref/Reuse|s85}}
 
Forerunners and ancilla have been known to change their sigils on some occasions; for example, the [[Ur-Didact]]'s sigil being changed to an "unbound" state at some point after his fall from grace, and the [[Warden Eternal]]'s sigil gaining a second ring.
 
<gallery>
File:IRIS Avatar Chrysopteron.gif|The second avatar of [[AdjutantReflex]] on [[Bungie.net]].
File:IRIS Avatar MB05032.gif|Hijacked AdjutantReflex
File:Librarian.png|The [[Librarian]]
File:Didact.png|The [[Ur-Didact]]'s original sigil, later adopted by the [[IsoDidact]]
File:Didact_unbound.png|The Ur-Didact's unbound sigil
File:FilialDevotionSymbol.png|[[Filial Devotion]]
File:Mendicant Bias.svg|[[Mendicant Bias]]
File:Not_Rampant_Medicant_Bias.png|Another Mendicant Bias Sigil
File:MendicantBias (Rampant).png|Rampant Mendicant Bias
File:Offensive Bias.png|[[Offensive Bias]]
File:FOR-343GS-logo2.png|[[343 Guilty Spark]]
File:FOR-ArkAI-logo2.png|[[000 Tragic Solitude]]
File:HM-solitude sigil.png|Another 000 Tragic Solitude sigil
File:Gravemind.png|The [[Gravemind]]
File:HtS Forerunner symbol.png|A [[Guardian]]
File:Exuberant_Witness_Sigil.png|[[031 Exuberant Witness]]
File:H5G-Kamchatka Warden Eternal glyph.png|The [[Warden Eternal]]'s original sigil
File:Warden Radio Tag.png|The Warden Eternal's current sigil
File:Enc22 AdjutantRevendicate Emblem.svg|[[Adjutant Revendicate]]
Enc22 InvariantBias Emblem.svg|[[Invariant Bias]]
</gallery>
 
===Installation symbols===
In [[Installation 00|the Ark]]'s [[Forerunner Citadel|Citadel]], where the [[Prophet of Truth]] attempted to fire the [[seven]] Installations, each Installation is shown in detail. Each Halo has its own hologram showing its structure and status, as well as a holographic symbol identifying each Installation.
 
If the installation's fail safe protocol is activated, when the installations are all in communication the symbols all come back as white. In the case an installation is destroyed or contact is fully lost with it, the symbol used to describe it is red as shown with Installation 04.
<gallery>
File:HOSFM Installation 00 forerunner symbol.png|Ark (Installation 00) symbol
File:Installation01S.png|Beta Halo ([[Installation 01]]) symbol
File:Installation02S.png|Epsilon Halo ([[Installation 02]]) symbol
File:Installation03S.png|Gamma Halo ([[Installation 03]]) symbol
File:Installation04S.png|Alpha Halo ([[Installation 04]] , [[Installation 08]], and [[Installation 09]]) symbol
File:Installation05S.png|Delta Halo ([[Installation 05]]) symbol
File:Installation06S.png|Kappa Halo ([[Installation 06]]) symbol
File:Installation07S.png|Zeta Halo ([[Installation 07]]) symbol
File:White installation symbol.png|Kappa Halo's communication confirmed symbol.
File:Red installation symbol.png|Alpha Halo's communication failed symbol.
</gallery>
 
==Symbol types==
The Forerunners have been currently shown to use 7 different type of writing systems. The following are shown below. These symbols can often be found in hexagons.
 
===Rectangle type===
The first type is the rectangle ones. The rectangle ones are seen in records the Forerunners have made.
 
Rectangle type symbols commonly have a bracket round them. Inside the brackets are small boxes. These range from 1-6 small ones, 1 to 4 medium ones, 1 to 3 medium sized ones, 1 to 2 big ones, or none at all. It has been noted that the top bracket is not always there. In that case there is either no boxes at all, or small boxes 1-6 would be inside the bracket.
 
Forerunner sigils are able to be used as normal characters in this.
<gallery>
File:Rectangle_Forerunner_alphabet.png|All known rectangle-type symbols.
File:Forerunner holo shapes text.png|Possibly all known variants of the symbols (Found in the bottom right corner of a Halo 3 Forerunner hologram Atlas texture which was also used in Halo: Reach for covenant weapons).
File:H3 Terminal Error.png|The rectangle type symbols in a terminal with hexagon-type images.{{Ref/Note|The Rectangle type symbols in the Halo 3 terminals are all random and do not go towards any specific letter or number. This can be assumed that the terminal is struggling to translate the English words, giving an error with the wrong symbols popping up.}}
File:Forerunner Symbols with Weapons.jpg|A record of Forerunner weaponry, with the rectangle-type symbols making the names of the weapons.
File:Rectangle_codes.png|Symbols used during the ''Halo 4'' #EvilAwakens marketing campaign.
File:Lines Halo.png|Close analysis of the symbols used during the ''Halo 4'' #EvilAwakens marketing campaign.
File:Lines_Halo_2.png|Expanded analysis of the symbols used during the ''Halo 4'' #EvilAwakens marketing campaign.
</gallery>
 
===Hexagon type===
The second type is the hexagon type ones. The hexagon ones can appear without a hexagon around them but are more mostly seen with them around. These are seen in Forerunner signals and codes, and also control panels. Images are also known to be inside the hexagon type symbols as images in terminals.
<gallery>
File:Classified_Glyphs.png|Forerunner symbols that can make an alphabet if used in certain ways. Used in numerous places including control panels on forerunner devices.
File:Hexagon_Cyphers.png|Two possible ciphers for the hexagon symbols used in the [[Section 3 ARG]].
File:Hunt_the_Signal_Glyph.png|A glyph used in [[Hunt the Signal]] that was used to find the Signal that led to the discovery of the [[Guardian]] sigil.
File:Section_3_Glyph.png|A glyph used in the ''Section 3 ARG''.
File:Cote_D%27Azur_transmission.png|A transmission from the [[Sigma Octanus IV artifact|artifact]] on [[Sigma Octanus IV]] with the hexagon symbols in it.
File:ActivationConsole.png|[[Trove]]'s [[Apex Site]] control panel with the hexagon symbols in it.
File:Operation_C.png|[[X50]]'s control panel with the hexagon symbols in it.
File:White installation symbol.png|Installation symbol with two hexagon symbols at the top corner of it.
</gallery>


The glyph system has been adopted by the Covenant as religious symbols, and their conventional writing system was also used as the basis for their [[Covenant Language#Written Language|own scripts]], despite having little idea as to the true meanings of the original symbols. Humans in general have had little success in translating Forerunner texts, with the notable exception of [[Catherine Elizabeth Halsey|Dr. Catherine Halsey]].<ref>''[[Halo: Ghosts of Onyx]]''</ref>
===Circular type===
The third type is the circular type. The circular type can be seen with being in a circular pattern and has been seen on their own. These are seen in Forerunner co-ordinates, control panels, and several Forerunner artifacts. These are often circle round a Forerunner sigil. This type was also seen in the [[Halo 4: Promethean Weapons Trailer]], where the Promethean weapons were looked over.<ref>[https://www.youtube.com/watch?v=15Ksq4dvLuk ''Halo 4: Promethean Weapons Trailer'']</ref>


== Numbers ==
Forerunner sigils can be used as normal characters in this writing type.
[[File:Glyphs.png|150px|thumb|Numbers from one to five, as well as the base symbol.]]
<gallery>
Only the Forerunner symbols for numbers one through five are known, though a base symbol with unknown meaning has also been found. It is probable that they also have a symbol for 0, but they may use a base 6 system and not have any more numbers. The base symbol may be the number 0.
File:Forerunner Symbols Alphabet 1.png|A complete alphabet of this language.
File:Halo CEA Terminal Glyphs 1.png|"Assertion of control" Seen when [[343 Guilty Spark]] contacts the {{UNSCShip|Pillar of Autumn}}.
File:Halo CEA Terminal Glyphs 2.png|"Bio Scan Begin - End" Seen in a transmission in which 343 Guilty Spark lowered [[Installation 04]]'s security to let the UNSC ''Pillar of Autumn'' though.
File:H4 Promo Forerunner symbols.jpg|"Trespass is doom Reclaimer". Forerunner symbols put on numerous official Facebook pages during Halo 4's marketing.
File:H4 Eld with circle symbols.png|Eld with the inscription, "Guardianship for all living things lies with those whose evolution is most complete. The Mantle of Responsibility shelters all."
File:H4 ELD transcribed.png|How the Eld says "Guardianship for all living things lies with those whose evolution is most complete. The Mantle of Responsibility shelters all."
File:H4-DelRio-Infinity-Bridge-04.jpg|The co-ordinates to [[Requiem]] that were found on [[Gamma Halo]]. That make a almost complete alphabet. Note letters "I", "J", "K", "L" don't appear.
File:H4 Spartan Ops Slipspace artifact glyphs.png|"Techlink Established Forerunner" on one of the [[Requiem slipspace artifacts]].
File:H4 Control Panel.png|A symbol on a control panel on Requiem.
File:H4 Requiem Control Pannel.png|A different Control panel on Requiem. The words "Shield", "On", "Off", and "Power" appear on it.
File:H4 Spartan Ops Starmap.png|A Forerunner starmap with the circular type symbols near a system.
File:H4Suppressorsymbols.png|Eld inscription on the [[Z-130 Suppressor]] Refractive skin
File:Halo 5 Binary Rifle Zoom Hexagon symbols.png|Binary Rifle zoom symbols. Small hexagon equals medium range zoom. Large hexagon equals long range zoom.
</gallery>


The visual features of numerical glyphs differ slightly from those of normal Forerunner glyphs. Like the other glyphs, numerical glyphs use a circle as a base. However, the only features seen on numerical glyphs are concentric circles and arcs, [[Wikipedia:radial line|radial lines]], and the occasional radial line with a small circle on its end.
===Scripture type===
The fourth type is the scripture type. These are found on Forerunner ruins and holograms.


==Specific symbols==
There are three distinct sets: broad glyphs, LED-like glyphs, and circuit board-like glyphs.
=== The Mantle ===
[[File:Ark_symbol.jpg|thumb|The Mantle symbol on the Ark's surface.]]
The glyph representing the [[Mantle|Mantle of Responsibility]],<ref name="requiem">'''Halo 4''', campaign level ''[[Requiem (level)|Requiem]]''</ref> the main belief system of the Forerunners, appears frequently on Forerunner structures and installations due to the Mantle's all-encompassing nature in Forerunner society.


For example, this symbol appears inside and outside [[Installation 04]]'s [[Silent Cartographer]],<ref>'''[[Halo: Combat Evolved]]''', campaign level ''[[The Silent Cartographer]]''</ref><ref>'''[[Halo: Combat Evolved Anniversary]]''', campaign level ''[[The Silent Cartographer]]''</ref> as well as on [[Installation 05]] in various areas.<ref>'''[[Halo 2]]'''</ref> It also appears on [[Installation 00|the Ark]]'s surface, if viewed from space. It also makes an appearance in the [[Terminal]]s throughout the Ark. The symbol also appears on top of a [[Monitor]]'s "head" and behind the "eye" on the center orb. The surface of [[Requiem]] also bears the symbol,<ref>'''[[Halo 3]]''', ''Epilogue''</ref> and the symbol is found in a wall on Requiem, accompanied by the inscription ''"Guardianship for all living things lies with those whose evolution is most complete. The Mantle of Responsibility shelters all."''.<ref name="requiem"/> A similar symbol was found on [[Installation 03]] and moved to [[Ivanoff Station]] to be studied.<ref name="Composer">'''Halo 4''', campaign level ''[[Composer (level)|Composer]]''</ref>
It is likely this was [[Digon]], an ancient Forerunner script utilized for sacred and ceremonial purposes.{{Ref/Book|Id=Epi|Halo: Epitaph|5}}


=== Shield World ===
<gallery>
[[Shield World]]s are represented by a symbol described as a "double-lobed icon". The symbol was described when [[Catherine Elizabeth Halsey|Dr. Halsey]] was compiling her data with the [[Artificial intelligence|AI]] [[Endless Summer]]. While Dr. Halsey was working, [[Franklin Mendez|CPO Mendez]] asked her what the symbols on the screen are. Dr. Halsey replied that they are Forerunner symbols from the ruins on Onyx, and their theoretical translations. As she continued to work, Mendez then asked the meaning of a double-lobed glyph. Dr. Halsey replied that the symbol, roughly translated, means Shield World.<ref name="goo">'''[[Halo: Ghosts of Onyx]]''', ''page 181''</ref>
File:Scripture.png|Forerunner script engraved onto a stone structure with energy going though it.
File:Hologram Scripture.png|The same scripture as the one on the stone, but as a hologram wall.
File:Scripture type Installation 05.png|Forerunner script on a hologram of the Halo rings on Installation 05.
File:Scripture Old Analysis.png|An old analysis of the scripture-type glyphs.
File:EpitaphOldCoverExploration.jpg|Cover concept for [[Halo: Epitaph]], depicting the [[Didact]] in front of holographic Digon.
</gallery>


=== Reclaimer ===
===Planet type===
[[File:Reclaimer - H4.png|thumb|100px|The Reclaimer glyph.]]
The fifth type is the planet type. These are only found on planet records.
The Forerunner glyph representing a [[Reclaimer]] is identical to the ''[[Marathon]]'' symbol,<ref>''[[Halo: Contact Harvest]]''</ref> although the same symbol appears to have been in common use in Forerunner constructs, including the "eye" of [[343 Guilty Spark]], as well as the frontal section of an [[Enforcer]]. However, after [[Halo: Reach|''Halo: Reach'']], later media featured a more vague appearance of the original symbol.
<gallery>
File:Infestation.jpg|Infestation of a planet with the planet type symbols at the top.
</gallery>


The original ''Marathon'' symbol is also used by humans in various instances, and it is the [[ship emblem]] of the {{UNSCShip|Pillar of Autumn}}. It is unknown if this is simply a coincidence, or if there is a relation to their status as Reclaimers.
===Line type===
The sixth type is the line type. These are seen on Forerunner control panels and co-ordinate.
<gallery>
File:Forerunner_Numbers.png|Translation of the line-type glyphs
File:Type_6_Forerunner_symbols.png|"01910876" as seen on Requiem control panels.
File:Requiem signal Jam.png|"1" used to signify a signal on Requiem.
File:Line Symbols Knights.png|"117" is seen when Cortana is confused about the Knights appearing for the first time.
File:H4-DelRio-Infinity-Bridge-04.jpg|The line type symbol 0-9 seen round the co-ordinates to Requiem.
File:Roland_translating_numbers.png|[[Roland]] translating the co-ordinates to [[Genesis]].
</gallery>


=== Installation symbols ===
===Small line type===
In ''[[Halo 3]]'', a number of details about the [[Halo Array]] arise. In [[Installation 00|the Ark]]'s [[Forerunner Citadel|Citadel]], where the [[Prophet of Truth]] attempted to fire the [[list of "seven" references in Halo|seven]] Installations, each Installation is shown in detail. Each Halo has its own hologram showing its structure and status, as well as a holographic symbol identifying each Installation. Some notes say that there are two versions of each symbol, one where the player enters the ring room and the view from the pedestal.{{Citation needed}}
The seventh type has only appeared in the stone object found at [[Côte d'Azur Museum of Natural History]]. This type is known to transmit hexagon type symbols out of it.
<gallery>
<gallery>
File:Int7.jpg|[[Installation 07]] symbol
File:Line symbols.png|Analysis of existing small line type symbols.
File:Int6.jpg|[[Installation 06]] symbol
File:Halo 2- Tartarus-brutes wallpaper.jpg|Brute wallpaper for ''Halo 2'' with the symbols.
File:Int3.jpg|[[Installation 05]] symbol
File:Sadies story symbols.png|Symbols that appear in ''[[Sadie's Story]]''.
File:Int4.jpg|[[Installation 04]] symbol
File:Sigma Octanus Artifact.jpg|A look as the artifact.
File:Int5.jpg|[[Installation 03]] symbol
File:Halseys Forerunner research.png|Halsey checking to see if there is a link between this and the standard circle glyphs.
File:Int2.jpg|[[Installation 02]] symbol
File:Int1.jpg|[[Installation 01]] symbol
</gallery>
</gallery>


== Symbol analysis ==
==Round symbol analysis==
The symbols are primarily composed of circles and curves. Each glyph appears to use a circle as a base shape, often combined with either a [[Wikipedia:concentric|concentric]] circle or [[Wikipedia:Circular arc|fragments]] of one. Another common trait is the presence of one or more [[Wikipedia:circular arc|circular arcs]] whose [[Wikipedia:osculating circle|osculating circles]]' centers lie on the base circle. Non-circular arcs and small non-concentric circles can be seen on some glyphs. The filling in of areas is uncommon but has been seen in Forerunner glyphs.
The symbols are primarily composed of circles and curves. Each glyph appears to use a circle as a base shape, often combined with either a [[Wikipedia:concentric|concentric]] circle or [[Wikipedia:Circular arc|fragments]] of one. Another common trait is the presence of one or more [[Wikipedia:circular arc|circular arcs]] whose [[Wikipedia:osculating circle|osculating circles]]' centers lie on the base circle. Non-circular arcs and small non-concentric circles can be seen on some glyphs. The filling in of areas is uncommon but has been seen in Forerunner glyphs.


According to [[Bungie]] employee [[Joseph Staten]], the blue and red signs denote the safety of the area -- that is, whether or not the [[The Flood|Flood]] are present.{{verify}} Taking a closer look at the symbols, their locations, and what has been said by Bungie, the following can be deduced:
According to [[Bungie]] employee [[Joseph Staten]], the blue and red signs denote the safety of the area that is, whether or not the [[The Flood|Flood]] are present.{{verify}} However, this has only been noted when there are two red symbols together. As singular red symbols can mean something else as noted by them appearing in numerous locations on Installation 04 not linked to the Flood.
 
Several of the symbols are variations of each other, or simply rotated versions of one.
 
===Installation 04 symbols===
<gallery>
File:Halo anniversary cartographer Glyphs.png|Symbols that appear on Installation 04's [[Cartographer]].
File:Control Pannel Glphs.png|These symbols are seen on [[Control Room (Installation 04)|Installation 04's control room]].
File:343 Guilty Spark Glyphs.png|Glyph patterns seen in one of Installation 04's [[Flood containment facility|Flood containment facilities]].
File:Halo CE Multiplayer Glyphs.png|Glyph pairs for all ''Halo Combat Evolved's'' maps.
File:Halo CE Forerunner exclusive Glyphs.png|All glyphs seen on Installation 04.
</gallery>
 
===Line Installation glyphs===
These symbols appeared throughout [[Line installation]]s, specifically [[Line Installation 1-4]]:
<gallery>
File:Forerunner Echo.png|Glyphs that appeared before ships are shot down.
File:Line_Installation_Glyphs.png|Circle glyphs that appeared in Line Installation 1-4's systems.
File:Forerunner_Line_Installation_Glyphs.png|More glyphs that appeared in Line Installation 1-4's systems.
</gallery>
 
===Domain glyphs===
In several places linked to the [[Domain]] several glyphs appear after [[Fireteam Osiris]] activate a console in them. Currently glyphs of this type have appeared on [[Kamchatka]] and [[Genesis]]. The following glyphs and sigils have appeared.
<gallery>
File:H5G-Kamchatka Guardian glyph.png|The Guardian sigil on Kamchatka.
File:H5G-Kamchatka Warden Eternal glyph.png|A blue glyph similar to the Warden Eternal's sigil on Kamchatka.
File:H5G-Kamchatka unknown glyph 1.png|An unknown Forerunner glyph on Kamchatka.
File:H5G-Kamchatka unknown glyph 2.png|An unknown Forerunner glyph on Kamchatka.
File:H5G-Kamchatka unknown glyph 3.png|An unknown Forerunner glyph on Kamchatka.
File:Genesis Glyph.png|An unknown Forerunner glyph on Genesis that appeared when a auxiliary station was activated.
</gallery>
 
===Iris-like glyphs===
These Forerunner symbols are featured on some installations, and also used as a key to open [[door]]s in [[Trove]].
<gallery>
File:Iris icon.gif|The glyph on itself.
File:IRIS Avatar Chrysopteron.gif|The avatar of [[AdjutantReflex]] on [[Bungie.net]].
File:Glyphs.png|The glyphs discovered in [[Iris]].
File:IRIS SOTA symbol.jpg|The Iris symbol [[N'chala]] saw and carved on Earth.
File:Halo Wars Iris Glyphs.png|The glyphs used to open the interior doors of Shield World 0459.
File:Iris_-_Origins.png|A glyph in [[Cortana]]'s eye.
File:Waypoint-Mendicant-Bias-Rampant.jpg|Iris symbol on Mendicant Bias.
File:IRIS_Planet.png|The Iris-like symbols on an Forerunner planet as seen in 343 Guilty Spark's memory before it is wiped.
</gallery>
 
===Other symbols===
These are symbols seen throughout Forerunner locations.
<gallery>
File:Halo 3 Bestriarum Glyphs.png|Glyphs seen in the [[Bestiarum]] and ''Halo 3'' manuals.
File:Door symbols.png|Symbols used to open doors on [[Halo Wars]]'s multiplayer level [[Release]].
File:Halseys Forerunner research.png|Halsey's research into several of the circle glyphs.
File:Cortana_going_over_Forerunner_Glyphs.png|Cortana going into several of the circle glyphs.
File:Halo_CEA_Terminal_Unknown_Glyph.png|Unknown glyph located in the room the Monitors met before they left the Ark.
File:Pg 24 glyph.png|Glyph seen on page 24 of the [[Halo 3 manual]]
</gallery>
 
==Wall symbols==
Around several Halo installations and Forerunner relics there are numerous murals and symbols on walls.
<gallery>
File:H2-UprisingSymbol.png|An undefined Forerunner symbol on Installation 05.
File:H2-UprisingForerunnerMural.png|A mural engraved in a wall on Installation 05. A similar mural was present in [[Installation 04]]'s [[Silent Cartographer]].
File:Hologram_Mural.png|Holographic version of the mural that is engraved on numerous locations on Forerunner relics.
File:Halo 2 anniversary red mural.png|A mural engraved in a wall on Installation 05. This has been seen in red, blue, yellow, green, and without colour.
File:Forerunner_circle.png|A circle symbol seen on numerous Forerunner planets and relics.
File:Sandtrap Murals.png|Murals seen on the ''Halo 3'' map ''[[Sandtrap]]''.
</gallery>
 
==External uses==
===REQ Emblems===
In ''[[Halo 5: Guardians]]'', numerous Forerunner symbols are applied into [[Requisition system|REQ card]] emblems.
<gallery>
File:H5 Default Librarian Emblem.png|The Librarian emblem in its original default colors.
File:Reclaimer Emblem.png|The Reclaimer emblem and banner in ''Halo 5'' in its original default colors.
File:Glyphs REQ Card.png|Unknown symbols on a REQ card called "Glyphs".
File:Glyphs_Emblem.png|Symbols on the emblem called "Glyphs" in a green color.
</gallery>
 
===Covenant uses===
The Covenant have adapted many Forerunner symbols to their own uses. Some uses include putting the symbols on armor and weaponry.
====External====
<gallery>
File:Halo2.com_Forerunner_symbols.png|Covenant Forerunner symbols as seen on ''[[Halo2.com]]''.
File:Covenant Line symbols.png|Small line-type symbols as seen on a ''Halo 2'' marketing poster.
File:Speaking_Elite.jpg|[[Sangheili (language)|Sangheili speech]] represented by Forerunner glyphs.
File:Harvest Covenent chatter.png|Symbol pattern used by the Covenant for [[Harvest]].
File:Covenant Switch.png|Cyan symbol that appears on a switch in ''Halo Reach''.
File:Glyph of Faith.JPG|The Glyph of Faith carved on the surface of [[Kholo]].
File:Covenant_Node_Halo_CE.png|Two Forerunner type glyphs appearing on a [[Covenant communication node]].
File:Sunaion_Guardian_Symbol.png|A Sangheili interpretation of a Guardian sigil.
</gallery>
 
====Armor====
<gallery>
<gallery>
File:CRsymbol1.png|The glowing cyan symbols are found on the control panel in the Halo control room.
File:Elitesymbol1.png|The non-glowing cyan symbol is found on the back of [[Stealth Sangheili]] and [[Sangheili Zealot]]s.
File:CRsymbol2.png
File:Covenant_Halo_3_Elite_Symbols_forerunner.png|[[Sangheili Minor]] harnesses emblazoned with Forerunner glyphs.
File:CRsymbol3.png
File:Sangheili forerunner symbol.png|White symbol that appears on the Sangheili armor in ''Halo Reach''.
File:Elitesymbol1.png|The non-glowing cyan symbol is found on the back of higher-ranking Elites.
File:Grunt Symbol.png|White symbol that appears on Grunts in numerous games.
File:Plasmasymbol.png|The yellow symbol is found on the Covenant plasma grenade.
File:Halo 2 anniversary Armor Glyphs.png|Two symbols painted on Sangheili armor.
File:Forerunner_lift_Symbols.png|It can be deduced that the purple symbol means Elevator or Lift, most likely, as it is seen above doors leading to elevators.
File:Prophet_chair_symbol.png|Symbol used on the Prophets' [[anti-gravity chair]]s.
File:Floodsymbol1.png|Above the doors where large Flood storage rooms are, two of the red symbols always appear, which backs up what Staten said about red and green symbols.
File:Floodsymbol2.png
File:CFsymbols.jpg|A number of symbols that have been discovered in ''Halo: Combat Evolved'' and ''Halo 2''.
File:Chrysopteron.gif|The avatar of [[AdjutantReflex]] on [[Bungie.net]].
</gallery>
</gallery>


All of the others are found in various Forerunner structures, mostly on the levels [[343 Guilty Spark (level)|343 Guilty Spark]], [[The Silent Cartographer]], and [[The Library]].
====Weapons and vehicles====
<gallery>
File:HaloCE-PlasmaGrenade.png|Green {{Pattern|Anskum|plasma grenade}} symbol in ''Halo CE''.
File:H2-PlasmaGrenade.png|Green plasma grenade symbol in ''Halo 2''.
File:PlasGren.png|Green plasma grenade symbol in ''Halo 3''.
File:Sword_Study_HRB_1.jpg|Energy sword hilt with Forerunner symbols on it.
File:Reach T1 Plas Grenade.png|Green plasma grenade symbol in ''Halo Reach''.
File:Phantom_forerunner_symbol.png|Symbol that appears on the {{Pattern|Ru'swum|Phantom}} in ''Halo Reach''.
File:Forerunner_symbols_Covenant_weapons.png|Weapons in ''Halo Reach'' with Forerunner symbols on them.
File:Brute_Forerunner_tatoo.png|Forerunner mural tattooed on a Brute in ''Halo Reach''.
File:Halseys Journal Covenant IRIS symbol.png|A symbol that appears in the inner-workings of the [[Kig-Yar point defense gauntlet]] that closely resembles that of the [[Iris]] artifact glyphs.
File:Halo 4 Sword Symbols.png|Energy sword symbols in ''Halo 4''.
File:H2A Render PlasmaGrenade.png|Green {{Pattern|Anskum|plasma grenade}} symbol projecting the symbol for [[Installation 04]].
File:QWMW3BgpZn crop.jpg|alt=Grey metal background, with a light-grey circular symbol|Circular glyph seen near the handle of a {{Pattern|Pek|plasma cannon}} in ''Halo Reach''.
</gallery>
 
===Graffiti===
Covenant [[Huragok]] have during the [[Battle of Mombasa]] been noted to graffiti Forerunner symbols on the walls of New Mombasa. Some of the symbols depict the [[New Mombasa]] [[Superintendent]]'s [[avatar]] along side the Forerunner symbols. The symbols were first seen in the Halo 3 [[ViDoc]] trailers and during gameplay as the symbol for the [[Regenerator]].
<gallery>
File:Huragok_Patterns_2.png|All known symbols
File:Y_glyph.jpg
File:GlyphA.jpg
File:GlyphB.jpg
File:Super_Y_glyph.png
File:SuperTriglyph.jpg
File:SuperMonoGlyph.jpg
File:Sad_Monoglyph.png
File:O_glyph.jpg
File:TheSuperCircle.jpg
File:Transmission_glyphs.png
</gallery>


== Cropped symbols analysis ==
===Unknown origin===
Several of the symbols are variations of each other. There are a total of 16 unique symbols; the other 8 are rotations or croppings of the 16 main symbols. Of note is the fact that the cropped versions may not have been intended to be cropped; their in-game textures may have been inadvertently placed such that they extended beyond the edges of the polygons they were on, causing the parts that couldn't fit to be clipped. For sake of being thorough, however, they have been included as separate symbols.
The following glyphs are used in several locations, but it is unknown who put them there.
<gallery>
File:Halo_2_Aniversary_Warlord_symbols.png|Hand-drawn glyphs on the map [[Warlord]].
</gallery>


==Development gallery==
<gallery>
<gallery>
File:Forerunner_Symbols_5.png|Examples of rotated symbols.
File:Forerunner_Terminals_Glyphs.jpg|Cut symbols in the ''Halo Combat Evolved Anniversary'' Terminals.<ref>[http://youtu.be/mTwkrMUkNyk '''YouTube:''' ''BTS: Anniversary Terminals'']</ref>
File:Forerunner_Symbols_4.png|Examples of cropped symbols.
File:Lightriflehud.jpeg|Cut render of the Lightrifle that had the Line type symbols "34-1112" on it.
File:H4-Concept-Forerunner-Holoscreens.jpg|Forerunner control panel concept art.
File:H4-Concept-TransitGrid-Holoscreen.jpg|Forerunner control panel concept.
File:Halo_4_Concept_Art_by_Albert_Ng_19a.jpg|Forerunner control panel concept art.
File:Draft_Forerunner_Terminal_Opening_2.png|Cut ''Halo 2: Anniversary'' Terminal symbols.
File:Art_of_Halo_5_Symbols.jpg|Forerunner and Sangheili symbols in the ''Art of Halo 5'' book.
</gallery>
</gallery>


== Trivia ==
==Trivia==
The base numerical glyph was used as an avatar by [[AdjutantReflex]].<ref>[[Iris]]</ref>
The base numerical glyph was used as an avatar by [[AdjutantReflex]].<ref>[[Iris]]</ref>


==List of appearances==
==List of appearances==
*''[[Halo: The Fall of Reach]]'' {{1st}}
*''[[Halo: Combat Evolved]]''
*''[[Halo: Combat Evolved]]''
*''[[Halo: The Fall of Reach]]''
*''[[Halo: The Flood]]''
*''[[Halo: The Flood]]''
*''[[Halo: First Strike]]''
*''[[Halo: First Strike]]''
*''[[Halo 2]]''
*''[[Halo 2]]''
*''[[Halo Graphic Novel]]''
**''[[Second Sunrise over New Mombasa]]''
*''[[Halo: Ghosts of Onyx]]''
*''[[Halo: Ghosts of Onyx]]''
*''[[Iris]]''
*''[[Iris]]''
*''[[Halo 3]]''
*''[[Halo 3]]''
**''[[Terminal (Halo 3)|Terminals]]''
*''[[Halo: Contact Harvest]]''
*''[[Halo: Contact Harvest]]''
*''[[Halo: Reach]]''
*''[[Halo: Reach]]''
*''[[Halo: Combat Evolved Anniversary]]''
**''[[Terminal (Halo: Combat Evolved Anniversary)|Terminals]]''
*''[[Halo 4]]''
*''[[Halo 4]]''
**''[[Terminal (Halo 4)|Terminals]]''
**''[[Spartan Ops]]''
*''[[Halo: Escalation]]''
*''[[Halo 2: Anniversary]]''
*''[[Halo: Spartan Strike]]''
*''[[Halo 5: Guardians]]''
==Notes==
{{Ref/Notes}}
==Sources==
{{Ref/Sources}}


== Sources ==
==Related links==
<references/>
===Internal===
*[[Sangheili (language)]]


== See also ==
===External===
*[[Covenant languages|Covenant language]]
*[[wikipedia:Logograms|Logograms]]
*[[wikipedia:Logograms|Logograms]]
[[Category:Forerunner Artifacts]]
[[Category:Forerunner symbols| ]]
[[Category:Forerunner Symbols]]
[[Category:Languages]]
[[Category:Forerunner artifacts]]

Latest revision as of 01:39, November 20, 2024

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The Eld, the glyph symbolizing the Mantle of Responsibility, one of the most common Forerunner glyphs.

The Forerunners used several forms of symbols and glyphs to convey a variety of meanings. These symbols can be found on Forerunner technology and within Forerunner installations, including the Halo Array. The Covenant later adopted these symbols for their writing system as well as religious imagery and as such, they are also commonly seen in Covenant technology and architecture.

Background[edit]

While the specifics of Forerunner languages such as Jagon and Digon remain a mystery, with only a handful of words known, the writing system they used to convey meaning is far better understood.

The Forerunners appear to have used two different writing methods; the first was a system of glyphs or logograms, rather than parts of an alphabet, highly contextual in nature, with the meaning of different glyphs altered by order and context, and further meaning could be derived if the reader used more three-dimensional interpretations; when combined with different glyphs, a symbol might have radically different meanings, making individual glyphs pictograms or ideograms.

The second mode seems to be a more conventional writing system, using two-dimensional characters. There appear to be at least two variations of this conventional script. One type, observed in Forerunner relics on Installation 00, either inscribed onto stone relics[1][2] or in holographic form,[3][4] involves highly complex characters resembling digital patterns or bar codes written vertically. In the other writing system, the characters are considerably simpler, consisting of a series of dots, squares, bars and triangles. The Covenant script is derived from the latter, although they use highly embellished variations of the original characters used by the Forerunners.[5]

Other symbols found on Forerunner relics and structures are even less obvious in their meanings. They are obviously decorative in nature, but they are often larger and more elaborate in nature than their glyphs, and may depict specific shapes and forms, and may have more in common with petroglyphs than logograms.

The glyph system was also adopted by the Covenant as religious symbols, despite having little idea as to the true meanings of the original symbols; the most notorious example is their mistranslation of the "Reclaimer" glyph as meaning "Reclamation". Forerunner glyphs are found on Covenant Luminaries as indicators of Forerunner relics, as the Reclaimer glyph was seen to represent humans on Harvest. Humans in general have had little success in translating Forerunner texts, with the notable exception of Dr. Catherine Halsey.[6] Indeed, it took nearly five years to decode glyphs recovered during the Battle of New Mombasa.[7]

Specific symbols[edit]

Eld[edit]

The glyph representing the Mantle of Responsibility,[8] the main belief system of the Forerunners, is perhaps the most ancient and ubiquitous Forerunner glyph. Known as the Eld or the Tree-mark due to its resemblance to a heavily stylized tree,[9] the symbol appears frequently on Forerunner structures and installations due to the Mantle's all-encompassing nature in Forerunner society.

Among many other sites, this symbol appears inside and outside Installation 04's Silent Cartographer,[10][11] as well as on Installation 05 in various areas.[12] It also appears on the Ark's surface, if viewed from space. It also makes an appearance in the Terminals throughout the Ark. The symbol also appears on top of a Monitor's "head" and behind the "eye" on the center orb. The surface of Requiem also bears the symbol,[13] and the symbol is found in a wall on Requiem, accompanied by the inscription "Guardianship for all living things lies with those whose evolution is most complete. The Mantle of Responsibility shelters all.".[8] A similar symbol was found on Installation 03 and moved to Ivanoff Station to be studied.[14]

Shield World[edit]

Shield Worlds are represented by a symbol described as a "double-lobed icon". The symbol was described when Dr. Halsey was compiling her data with the AI Endless Summer. While Dr. Halsey was working, CPO Mendez asked her what the symbols on the screen are. Dr. Halsey replied that they are Forerunner symbols from the ruins on Onyx, and their theoretical translations. As she continued to work, Mendez then asked the meaning of a double-lobed glyph. Dr. Halsey replied that the symbol, roughly translated, means Shield World.[15]

Reclaimer[edit]

The Forerunner glyph representing a Reclaimer is identical to the Marathon symbol,[16] although the same symbol appears to have been in common use in Forerunner constructs, including the "eye" of 343 Guilty Spark, as well as the frontal section of an Enforcer. However, after Halo: Reach, later media featured a more vague appearance of the original symbol.

The original Marathon symbol is also used by humans in various instances, and it is the ship emblem of the UNSC Pillar of Autumn. It is unknown if this is simply a coincidence, or if there is a relation to their status as Reclaimers.

Defined types of circle symbols[edit]

Sigils[edit]

A sigil is a symbol representing a specific Forerunner,[17] ancilla, or any other entity. They were often used to label transmissions,[18] or to indicate affiliation with a given individual; for example, members of Master Builder Faber's personal security carried his sigil.[17]

Forerunners and ancilla have been known to change their sigils on some occasions; for example, the Ur-Didact's sigil being changed to an "unbound" state at some point after his fall from grace, and the Warden Eternal's sigil gaining a second ring.

Installation symbols[edit]

In the Ark's Citadel, where the Prophet of Truth attempted to fire the seven Installations, each Installation is shown in detail. Each Halo has its own hologram showing its structure and status, as well as a holographic symbol identifying each Installation.

If the installation's fail safe protocol is activated, when the installations are all in communication the symbols all come back as white. In the case an installation is destroyed or contact is fully lost with it, the symbol used to describe it is red as shown with Installation 04.

Symbol types[edit]

The Forerunners have been currently shown to use 7 different type of writing systems. The following are shown below. These symbols can often be found in hexagons.

Rectangle type[edit]

The first type is the rectangle ones. The rectangle ones are seen in records the Forerunners have made.

Rectangle type symbols commonly have a bracket round them. Inside the brackets are small boxes. These range from 1-6 small ones, 1 to 4 medium ones, 1 to 3 medium sized ones, 1 to 2 big ones, or none at all. It has been noted that the top bracket is not always there. In that case there is either no boxes at all, or small boxes 1-6 would be inside the bracket.

Forerunner sigils are able to be used as normal characters in this.

Hexagon type[edit]

The second type is the hexagon type ones. The hexagon ones can appear without a hexagon around them but are more mostly seen with them around. These are seen in Forerunner signals and codes, and also control panels. Images are also known to be inside the hexagon type symbols as images in terminals.

Circular type[edit]

The third type is the circular type. The circular type can be seen with being in a circular pattern and has been seen on their own. These are seen in Forerunner co-ordinates, control panels, and several Forerunner artifacts. These are often circle round a Forerunner sigil. This type was also seen in the Halo 4: Promethean Weapons Trailer, where the Promethean weapons were looked over.[19]

Forerunner sigils can be used as normal characters in this writing type.

Scripture type[edit]

The fourth type is the scripture type. These are found on Forerunner ruins and holograms.

There are three distinct sets: broad glyphs, LED-like glyphs, and circuit board-like glyphs.

It is likely this was Digon, an ancient Forerunner script utilized for sacred and ceremonial purposes.[20]

Planet type[edit]

The fifth type is the planet type. These are only found on planet records.

Line type[edit]

The sixth type is the line type. These are seen on Forerunner control panels and co-ordinate.

Small line type[edit]

The seventh type has only appeared in the stone object found at Côte d'Azur Museum of Natural History. This type is known to transmit hexagon type symbols out of it.

Round symbol analysis[edit]

The symbols are primarily composed of circles and curves. Each glyph appears to use a circle as a base shape, often combined with either a concentric circle or fragments of one. Another common trait is the presence of one or more circular arcs whose osculating circles' centers lie on the base circle. Non-circular arcs and small non-concentric circles can be seen on some glyphs. The filling in of areas is uncommon but has been seen in Forerunner glyphs.

According to Bungie employee Joseph Staten, the blue and red signs denote the safety of the area — that is, whether or not the Flood are present.[verification needed] However, this has only been noted when there are two red symbols together. As singular red symbols can mean something else as noted by them appearing in numerous locations on Installation 04 not linked to the Flood.

Several of the symbols are variations of each other, or simply rotated versions of one.

Installation 04 symbols[edit]

Line Installation glyphs[edit]

These symbols appeared throughout Line installations, specifically Line Installation 1-4:

Domain glyphs[edit]

In several places linked to the Domain several glyphs appear after Fireteam Osiris activate a console in them. Currently glyphs of this type have appeared on Kamchatka and Genesis. The following glyphs and sigils have appeared.

Iris-like glyphs[edit]

These Forerunner symbols are featured on some installations, and also used as a key to open doors in Trove.

Other symbols[edit]

These are symbols seen throughout Forerunner locations.

Wall symbols[edit]

Around several Halo installations and Forerunner relics there are numerous murals and symbols on walls.

External uses[edit]

REQ Emblems[edit]

In Halo 5: Guardians, numerous Forerunner symbols are applied into REQ card emblems.

Covenant uses[edit]

The Covenant have adapted many Forerunner symbols to their own uses. Some uses include putting the symbols on armor and weaponry.

External[edit]

Armor[edit]

Weapons and vehicles[edit]

Graffiti[edit]

Covenant Huragok have during the Battle of Mombasa been noted to graffiti Forerunner symbols on the walls of New Mombasa. Some of the symbols depict the New Mombasa Superintendent's avatar along side the Forerunner symbols. The symbols were first seen in the Halo 3 ViDoc trailers and during gameplay as the symbol for the Regenerator.

Unknown origin[edit]

The following glyphs are used in several locations, but it is unknown who put them there.

Development gallery[edit]

Trivia[edit]

The base numerical glyph was used as an avatar by AdjutantReflex.[22]

List of appearances[edit]

Notes[edit]

  1. ^ The Rectangle type symbols in the Halo 3 terminals are all random and do not go towards any specific letter or number. This can be assumed that the terminal is struggling to translate the English words, giving an error with the wrong symbols popping up.

Sources[edit]

  1. ^ Halo 3, multiplayer map, Sandtrap
  2. ^ Halo 3, multiplayer map, Sandbox
  3. ^ Halo 3, multiplayer map, Epitaph
  4. ^ Halo 3, multiplayer map, Construct
  5. ^ Halo: First Strike, page 197
  6. ^ Halo: Ghosts of Onyx
  7. ^ Halo: Spartan Strike, Operation E: Brother’s Keeper
  8. ^ a b Halo 4, campaign level, Requiem
  9. ^ Halo: Silentium, page 142-143
  10. ^ Halo: Combat Evolved, campaign level, The Silent Cartographer
  11. ^ Halo: Combat Evolved Anniversary, campaign level, The Silent Cartographer
  12. ^ Halo 2
  13. ^ Halo 3, Epilogue
  14. ^ Halo 4, campaign level, Composer
  15. ^ Halo: Ghosts of Onyx, page 181
  16. ^ Halo: Contact Harvest
  17. ^ a b Halo: Silentium, page 85
  18. ^ Halo 3, Terminals
  19. ^ Halo 4: Promethean Weapons Trailer
  20. ^ Halo: Epitaph, chapter 5
  21. ^ YouTube: BTS: Anniversary Terminals
  22. ^ Iris

Related links[edit]

Internal[edit]

External[edit]