Gridiron ploy is a term used to describe the various strategies and tactics used in American football. The term can refer to a dropkick, which is an offensive play in which the ball is kicked from the ground, an endrun, which is a running play that involves the ball carrier running parallel to the line of scrimmage, an optionplay, which is a play in which the quarterback has the option to either pass or run with the ball, a zonedefense, which is a defensive strategy in which players are assigned to specific areas of the field, and an offsidekickon, which is a type of kick-off in which the kicker kicks the ball from behind the line of scrimmage.