An arrow is a graphical symbol, such as ← or →, or a pictogram, used to point or indicate direction. In its simplest form, an arrow is a triangle, chevron, or concave kite, usually affixed to a line segment or rectangle,[1] and in more complex forms a representation of an actual arrow (e.g. ➵ U+27B5). The direction indicated by an arrow is the one along the length of the line or rectangle toward the single pointed end.

Quick Facts ←, In Unicode ...
Arrow
In UnicodeU+2190–U+21FF
Graphical variants
Right pointing arrow
Related
See alsoManicule
Close
Thumb
Advertising billboards in Okazaki, Japan, featuring many different arrow symbols

History

An older (medieval) convention is the manicule (pointing hand, 👈). Pedro Reinel in c. 1504 first used the fleur-de-lis as indicating north in a compass rose; the convention of marking the eastern direction with a cross is older (medieval).[2] Use of the arrow symbol does not appear to pre-date the 18th century. An early arrow symbol is found in an illustration of Bernard Forest de Bélidor's treatise L'architecture hydraulique, printed in France in 1737. The arrow is here used to illustrate the direction of the flow of water and of the water wheel's rotation. At about the same time, arrow symbols were used to indicate the flow of rivers in maps.[3]

A trend toward abstraction, in which the arrow's fletching is removed, can be observed in the mid-to-late 19th century. The arrow can be seen in the work of Paul Klee. In a further refinement of the symbol, John Richard Green's A Short History of the English People of 1874 contained maps by cartographer Emil Reich, which indicated army movements by curved lines, with solid triangular arrowheads placed intermittently along the lines.[4]

Main usage

Thumb
An exit sign with an arrow to indicate the exit is to the left

Arrows are universally recognised for indicating directions.[1] They are widely used on signage and for wayfinding,[1] and are often used in road surface markings. A two-way road may be indicated by "↕" or "⇅".

In mathematics and physics

Upward arrows are often used to indicate an increase in a numerical value, and downward arrows indicate a decrease.

In mathematical logic, a right-facing arrow indicates material conditional, and a left-right (bidirectional) arrow indicates if and only if, an upwards arrow indicates the NAND operator (negation of conjunction), an downwards arrow indicates the NOR operator (negation of disjunction).

Use of arrow symbols in mathematical notation developed in the first half of the 20th century.[5] David Hilbert in 1922 introduced the arrow symbol representing logical implication. The double-headed arrow representing logical equivalence was introduced by Albrecht Becker in Die Aristotelische Theorie der Möglichkeitsschlüsse, Berlin, 1933.[4]

Knuth's up-arrow notation uses multiple up arrows, such as ⇈, for iterated, or repeated, exponentiation (tetration).

The quantum theory of electron spin uses either upward or downward arrows.

A vector may be denoted with an overhead arrow, such as in or .

Graffiti

Arrows are regularly used in contemporary graffiti designs, incorporated as an element in both simplistic tags and complex wildstyle pieces. Arrows are used as a visual technique to make a graffito stand out or give it a sense of movement.[6] The graffiti theoretician RAMM:ΣLL:ZΣΣ described adornments, such as arrows, in wildstyle paintings as ornaments that ‘armed’ the letters of a piece.[7] The Philadelphia graffiti artist Cool Earl began using arrows in 1967,[8] although the New York graffiti writer SJK 171 may have been the first to do so.[9] The graffiti artist Mare139 is known for creating 3D sculptures of arrows.[10]

Unicode

In Unicode, the block Arrows occupies the hexadecimal range U+2190–U+21FF, as described below.

More information Symbol, Name ...
SymbolNameSymbolNameSymbolNameSymbolName
HexHexHexHex
Picture of this symbolPicture of this symbolPicture of this symbolPicture of this symbol
Leftwards ArrowRightwards Arrow With LoopUpwards Paired ArrowsLeftwards Arrow To Bar
U+2190U+21ACU+21C8U+21E4
Upwards ArrowLeft Right Wave ArrowRightwards Paired ArrowsRightwards Arrow To Bar
U+2191U+21ADU+21C9U+21E5
Rightwards ArrowLeft Right Arrow With StrokeDownwards Paired ArrowsLeftwards Thick Arrow
U+2192U+21AEU+21CAU+21E6
Downwards ArrowDownwards Zigzag ArrowLeftwards Harpoon Over Rightwards HarpoonUpwards Thick Arrow
U+2193U+21AFU+21CBU+21E7
Left Right ArrowUpwards Arrow With Tip LeftwardsRightwards Harpoon Over Leftwards HarpoonRightwards Thick Arrow
U+2194U+21B0U+21CCU+21E8
Up Down ArrowUpwards Arrow With Tip RightwardsLeftwards Double Arrow With StrokeDownwards Thick Arrow
U+2195U+21B1U+21CDU+21E9
North West ArrowDownwards Arrow With Tip LeftwardsLeft Right Double Arrow With StrokeUpwards Thick Arrow From Bar
U+2196U+21B2U+21CEU+21EA
North East ArrowDownwards Arrow With Tip RightwardsRightwards Double Arrow With StrokeUpwards Thick Arrow On Pedestal
U+2197U+21B3U+21CFU+21EB
South East ArrowRightwards Arrow With Corner DownwardsLeftwards Double ArrowUpwards Thick Arrow On Pedestal With Horizontal Bar
U+2198U+21B4U+21D0U+21EC
South West ArrowDownwards Arrow With Corner LeftwardsUpwards Double ArrowUpwards Thick Arrow On Pedestal With Vertical Bar
U+2199U+21B5U+21D1U+21ED
Leftwards Arrow With StrokeAnticlockwise Top Semicircle ArrowRightwards Double ArrowUpwards Thick Double Arrow
U+219AU+21B6U+21D2U+21EE
Rightwards Arrow With StrokeClockwise Top Semicircle ArrowDownwards Double ArrowUpwards Thick Double Arrow On Pedestal
U+219BU+21B7U+21D3U+21EF
Leftwards Wave ArrowNorth West Arrow To Long BarLeft Right Double ArrowRightwards Thick Arrow From Wall
U+219CU+21B8U+21D4U+21F0
Rightwards Wave ArrowLeftwards Arrow To Bar Over Rightwards Arrow To BarUp Down Double ArrowNorth West Arrow To Corner
U+219DU+21B9U+21D5U+21F1
Leftwards Two Headed ArrowAnticlockwise Open Circle ArrowNorth West Double ArrowSouth East Arrow To Corner
U+219EU+21BAU+21D6U+21F2
Upwards Two Headed ArrowClockwise Open Circle ArrowNorth East Double ArrowUp Down Thick Arrow
U+219FU+21BBU+21D7U+21F3
Rightwards Two Headed ArrowLeftwards Harpoon With Barb UpwardsSouth East Double ArrowRight Arrow With Small Circle
U+21A0U+21BCU+21D8U+21F4
Downwards Two Headed ArrowLeftwards Harpoon With Barb DownwardsSouth West Double ArrowDownwards Arrow Leftwards Of Upwards Arrow
U+21A1U+21BDU+21D9U+21F5
Leftwards Arrow With TailUpwards Harpoon With Barb RightwardsLeftwards Triple ArrowThree Rightwards Arrows
U+21A2U+21BEU+21DAU+21F6
Rightwards Arrow With TailUpwards Harpoon With Barb LeftwardsRightwards Triple ArrowLeftwards Arrow With Vertical Stroke
U+21A3U+21BFU+21DBU+21F7
Leftwards Arrow From BarRightwards Harpoon With Barb UpwardsLeftwards Squiggle ArrowRightwards Arrow With Vertical Stroke
U+21A4U+21C0U+21DCU+21F8
Upwards Arrow From BarRightwards Harpoon With Barb DownwardsRightwards Squiggle ArrowLeft Right Arrow With Vertical Stroke
U+21A5U+21C1U+21DDU+21F9
Rightwards Arrow From BarDownwards Harpoon With Barb RightwardsUpwards Arrow With Double StrokeLeftwards Arrow With Double Vertical Stroke
U+21A6U+21C2U+21DEU+21FA
Downwards Arrow From BarDownwards Harpoon With Barb LeftwardsDownwards Arrow With Double StrokeRightwards Arrow With Double Vertical Stroke
U+21A7U+21C3U+21DFU+21FB
Up Down Arrow With BaseRightwards Arrow Over Leftwards ArrowLeftwards Dashed ArrowLeft Right Arrow With Double Vertical Stroke
U+21A8U+21C4U+21E0U+21FC
Leftwards Arrow With HookUpwards Arrow Leftwards Of Downwards ArrowUpwards Dashed ArrowLeftwards Open-Headed Arrow
U+21A9U+21C5U+21E1U+21FD
Rightwards Arrow With HookLeftwards Arrow Over Rightwards ArrowRightwards Dashed ArrowRightwards Open-Headed Arrow
U+21AAU+21C6U+21E2U+21FE
Leftwards Arrow With LoopLeftwards Paired ArrowsDownwards Dashed ArrowLeft Right Open-Headed Arrow
U+21ABU+21C7U+21E3U+21FF
Close

By block

Arrows[1]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+219x
U+21Ax
U+21Bx
U+21Cx
U+21Dx
U+21Ex
U+21Fx
Notes
1.^ As of Unicode version 16.0
Dingbats[1]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+270x
U+271x
U+272x
U+273x
U+274x
U+275x
U+276x
U+277x
U+278x
U+279x
U+27Ax
U+27Bx
Notes
1.^ As of Unicode version 16.0
Miscellaneous Symbols and Arrows[1][2]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+2B0x
U+2B1x
U+2B2x
U+2B3x ⬿
U+2B4x
U+2B5x
U+2B6x
U+2B7x ⭿
U+2B8x
U+2B9x
U+2BAx
U+2BBx ⮿
U+2BCx
U+2BDx
U+2BEx
U+2BFx ⯿
Notes
1.^ As of Unicode version 16.0
2.^ Grey areas indicate non-assigned code points
Supplemental Arrows-A[1]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+27Fx
Notes
1.^ As of Unicode version 16.0
Supplemental Arrows-B[1]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+290x
U+291x
U+292x
U+293x ⤿
U+294x
U+295x
U+296x
U+297x ⥿
Notes
1.^ As of Unicode version 16.0
Supplemental Arrows-C[1][2]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+1F80x 🠀 🠁 🠂 🠃 🠄 🠅 🠆 🠇 🠈 🠉 🠊 🠋
U+1F81x 🠐 🠑 🠒 🠓 🠔 🠕 🠖 🠗 🠘 🠙 🠚 🠛 🠜 🠝 🠞 🠟
U+1F82x 🠠 🠡 🠢 🠣 🠤 🠥 🠦 🠧 🠨 🠩 🠪 🠫 🠬 🠭 🠮 🠯
U+1F83x 🠰 🠱 🠲 🠳 🠴 🠵 🠶 🠷 🠸 🠹 🠺 🠻 🠼 🠽 🠾 🠿
U+1F84x 🡀 🡁 🡂 🡃 🡄 🡅 🡆 🡇
U+1F85x 🡐 🡑 🡒 🡓 🡔 🡕 🡖 🡗 🡘 🡙
U+1F86x 🡠 🡡 🡢 🡣 🡤 🡥 🡦 🡧 🡨 🡩 🡪 🡫 🡬 🡭 🡮 🡯
U+1F87x 🡰 🡱 🡲 🡳 🡴 🡵 🡶 🡷 🡸 🡹 🡺 🡻 🡼 🡽 🡾 🡿
U+1F88x 🢀 🢁 🢂 🢃 🢄 🢅 🢆 🢇
U+1F89x 🢐 🢑 🢒 🢓 🢔 🢕 🢖 🢗 🢘 🢙 🢚 🢛 🢜 🢝 🢞 🢟
U+1F8Ax 🢠 🢡 🢢 🢣 🢤 🢥 🢦 🢧 🢨 🢩 🢪 🢫 🢬 🢭
U+1F8Bx 🢰 🢱 🢲 🢳 🢴 🢵 🢶 🢷 🢸 🢹 🢺 🢻
U+1F8Cx 🣀 🣁
U+1F8Dx
U+1F8Ex
U+1F8Fx
Notes
1.^ As of Unicode version 16.0
2.^ Grey areas indicate non-assigned code points
Symbols for Legacy Computing[1][2]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+1FB0x 🬀 🬁 🬂 🬃 🬄 🬅 🬆 🬇 🬈 🬉 🬊 🬋 🬌 🬍 🬎 🬏
U+1FB1x 🬐 🬑 🬒 🬓 🬔 🬕 🬖 🬗 🬘 🬙 🬚 🬛 🬜 🬝 🬞 🬟
U+1FB2x 🬠 🬡 🬢 🬣 🬤 🬥 🬦 🬧 🬨 🬩 🬪 🬫 🬬 🬭 🬮 🬯
U+1FB3x 🬰 🬱 🬲 🬳 🬴 🬵 🬶 🬷 🬸 🬹 🬺 🬻 🬼 🬽 🬾 🬿
U+1FB4x 🭀 🭁 🭂 🭃 🭄 🭅 🭆 🭇 🭈 🭉 🭊 🭋 🭌 🭍 🭎 🭏
U+1FB5x 🭐 🭑 🭒 🭓 🭔 🭕 🭖 🭗 🭘 🭙 🭚 🭛 🭜 🭝 🭞 🭟
U+1FB6x 🭠 🭡 🭢 🭣 🭤 🭥 🭦 🭧 🭨 🭩 🭪 🭫 🭬 🭭 🭮 🭯
U+1FB7x 🭰 🭱 🭲 🭳 🭴 🭵 🭶 🭷 🭸 🭹 🭺 🭻 🭼 🭽 🭾 🭿
U+1FB8x 🮀 🮁 🮂 🮃 🮄 🮅 🮆 🮇 🮈 🮉 🮊 🮋 🮌 🮍 🮎 🮏
U+1FB9x 🮐 🮑 🮒 🮔 🮕 🮖 🮗 🮘 🮙 🮚 🮛 🮜 🮝 🮞 🮟
U+1FBAx 🮠 🮡 🮢 🮣 🮤 🮥 🮦 🮧 🮨 🮩 🮪 🮫 🮬 🮭 🮮 🮯
U+1FBBx 🮰 🮱 🮲 🮳 🮴 🮵 🮶 🮷 🮸 🮹 🮺 🮻 🮼 🮽 🮾 🮿
U+1FBCx 🯀 🯁 🯂 🯃 🯄 🯅 🯆 🯇 🯈 🯉 🯊 🯋 🯌 🯍 🯎 🯏
U+1FBDx 🯐 🯑 🯒 🯓 🯔 🯕 🯖 🯗 🯘 🯙 🯚 🯛 🯜 🯝 🯞 🯟
U+1FBEx 🯠 🯡 🯢 🯣 🯤 🯥 🯦 🯧 🯨 🯩 🯪 🯫 🯬 🯭 🯮 🯯
U+1FBFx 🯰 🯱 🯲 🯳 🯴 🯵 🯶 🯷 🯸 🯹
Notes
1.^ As of Unicode version 16.0
2.^ Grey areas indicate non-assigned code points

Additional arrows can be found in the Combining Diacritical Marks, Combining Diacritical Marks Extended, Combining Diacritical Marks for Symbols, Halfwidth and Fullwidth Forms, Miscellaneous Mathematical Symbols-B, Miscellaneous Symbols and Pictographs, Miscellaneous Technical, Modifier Tone Letters and Spacing Modifier Letters Unicode blocks.

See also

References

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