All arrow symbols is copyable. Switch the button at the page top to look symbol code and image together.
A lot of arrows are in Unicode. More then nine hundred characters has a name with this word. Arrows has four block contains only. Many of them are in block for technical and miscellaneous characters. Also dingbats include some symbols. Most of them can’t be displayed by standard windows font. When it happens you can see empty rectangle instead of arrow symbols. We tried to pick up those characters which can be displayed by typical fonts into current set. Therefore, they can be used for nicknames or Facebook.
Arrows shows directions like index do ☞. It’s used in typography since 18th century to show direction of flow of the river or army movements on the map. In 20th century, mathematicians started use it for representing logical implication. For example: ↔ same ⇔ mean material equivalence (if and only if).
If arrow characters horizontal or vertical it can indicate right, left, up, down (↓ downwards). If it diagonal direction called as compass rose. This arrow sign ↗ isn’t upwards-rightwards but North East.
Two words about apply arrow marks not as index. Our distant ancestor used bow and arrow for hunt and as weapons. Unicode consortium remember this 🏹. Strange mystical creation like to poke people’s hearts 💘.