↑

Description
An arrow pointing up.

Symbol

 * 1) up, above
 * 2) northward
 * (a) egressive airstream mechanism when used with a letter for an ingressive sound, e.g.
 * (b) exhalation when used alone,.
 * 1)  Knuth arrow
 * 2)  an evaluation of a game position, up, in   notation: {0|*}.
 * 3)  The up-arrow key on a computer keyboard, used for navigation and various keyboard commands.
 * 1)  Knuth arrow
 * 2)  an evaluation of a game position, up, in   notation: {0|*}.
 * 3)  The up-arrow key on a computer keyboard, used for navigation and various keyboard commands.
 * 1)  The up-arrow key on a computer keyboard, used for navigation and various keyboard commands.
 * 1)  The up-arrow key on a computer keyboard, used for navigation and various keyboard commands.

Usage notes

 * Arrows are iconically iterated: ⇑ ≡ ↑ + ↑; ⤊ ≡ ↑ + ↑ + ↑; ⟰ ≡ ↑ + ↑ + ↑ + ↑. The evaluations $⟨↑ ⇑ ⤊ ⟰⟩$ are equivalent to $⟨↓|↓ ⇓ ⤋ ⟱⟩$ with the positions of black and white reversed.

Etymology
Borrowed from.