The term COMMAND TO A HORSE is a phrase used to refer to the various commands given to horses by their riders. The most common commands are WHOA (4 letters), GEE (3 letters), HAW (3 letters), HUP (3 letters), GEEUP (5 letters), and GIDDAP (6 letters). WHOA is used to tell the horse to stop, while GEE and HAW are used to direct the horse to turn left and right respectively. HUP is used to tell the horse to move forward, GEEUP is used to encourage the horse to move faster, and GIDDAP is used to tell the horse to move quickly.