It is an overhand contact of the ball, usually, the second contact in a rally, made after a pass in serve receive or after a dig in defense to redirect the ball to a hitter in the front row or back row by a setter to run the team's offense.

What is Dig/Digging?

Define Spike.

This skill is usually done to direct the ball to another teammate. You can use this move when receiving a service from the opposing team.

It is the skill uses by the player to launch the ball over the net to start the rally.

It is a defensive skill wherein the player deflects the ball from the opponent. The goal is to prevent a successful attack and the other team from scoring a point.