Answer: C. An object used to aim at other objects in a game
Explanation: In computer games, a crosshair is used to pinpoint targets, that is, it aims at objects in a game, such as a person to be shot. It derives its name from a term used in guns, the cross hairs in guns are used to direct the bullet at its target.
Games that use crosshairs increase the player's accuracy to hit a target. This addition to computer games became popular in computer games in the 1990s.
