What is a jump float serve in volleyball?

Answer 1

A float serve is serving the ball in a way that makes it move so that it is harder to tell where it's going. The ball is harder to track and passers must focus harder to volleyball pass the ball.

Answer 2

you hit the ball very soft but dont put to much spin. WIthout the spin

, the ball gets taken by the wind, its very hard to pass because its always moving