This sign structure has been
used in Western ideography since ancient times. In ancient Greece it was the sign for Ares, the
interpreted by many as a pictorial sign for the shield and
spear. It can also be seen as for the
spirit of the individual, possessed (pierced) by the
arrow, the symbol for the idea of directed movement or
action, i.e. a symbol representing the ability to take
action, goal- orientation and masculinity.
Compare with , the ancient and modern sign for the planet Mars and for Mars, the Roman god of war.
In electrical contexts means ampere meter, or ammeter, while in geology it is used to represent a flat, scored rock face, the arrow indicating the direction of the ice flow that scratched the rock's surface.
This ancient ideogram also appears in the US system of hobo signs meaning useless to go in this direction.
Compare with from the same system, which means go this way.