Any barrier-natural or artificial-that stops or impedes the movement of a unit.

Any feature of the course that may impede a player's stance or kicking motion.

Any feature of the course that may impede any aspect of play.

In show jumping and the three-day event, an object a horse must clear to complete the course, such as a fence, gate or water jump.

Any object that a horse must clear to complete the course in show jumping and the three-day event, such as a fence, gate, or water jump.

Barrier, useful for a jump.