A stoppage is a bounce, ball-up or throw in A clearance is a definite clearance away from that stoppage A turn-over is when one team has the ball under control but the other team gets it, either from a mistake by the possessor or by good play (like an intercept or tackle) from the defender

stoppages, =when play stops clearances =when the ball is clear turn-overs =when the ball is turned over