strokes [1]

With the exception of the serve, all tennis strokes are backhands or forehands; for a right-handed player, strokes on the right are forehands and strokes on the left are backhands.
strokes [1] 						Stroke by which the ball is hit on the short hop below the knees; the half-volley is used mainly while approaching the net.				  							Putting the ball into play by striking it above the head from behind the baseline; the server has two serves to put the ball diagonally into the service court.				  							Stroke executed before the ball bounces; it is usually played near the net.

half-volley

Stroke by which the ball is hit on the short hop below the knees; the half-volley is used mainly while approaching the net.

serve

Putting the ball into play by striking it above the head from behind the baseline; the server has two serves to put the ball diagonally into the service court.

volley

Stroke executed before the ball bounces; it is usually played near the net.