pointer

a person or thing that points.

a long, tapering stick used by teachers, lecturers, etc., in pointing things out on a map, blackboard, or the like.

the hand on a watch dial, clock face, scale, etc.

Military.��the member of an artillery crew who aims the weapon.

one of a breed of short-haired hunting dogs trained to point game.

a piece of advice, especially on how to succeed in a specific area.

Computers.��

1. an identifier giving the location in storage of something of interest, as a data item, table, or subroutine.

2. a moveable icon in a graphical user interface, as an arrow, that marks the user’s location in the interface relative to areas of the screen where user input is possible.

Astronomy.��Pointers, the two outer stars of the Big Dipper that lie on a line that passes very near Polaris and are used for finding it.