The name for a generic shot in tennis is a stroke. Strokes include forehands, backhands, volleys, drop shots, lobs, approach shots, serves, returns, groundstrokes, half-volleys, lob volleys, overheads, etc.
A high tennis shot is called a "lob"** By a "high tennis shot" I assume you mean a shot that YOU hit
I know it sounds weird but its true... its called a hobblegot!
Challenges in tennis include: placing a shot were you want it, know what the oppenents shot might be, reacting to a oppenents shot.
a chop shot is a.k.a. a slice which is a shot with backspin
a shot with no spin.
A volley in tennis is a shot that is hit before the ball bounces on the ground.
a tennis player
In tennis it's called a ace
Backspin on the shot makes a dropshot