Holding is a football term, not volleyball. The volleyball equivalent of a holding is a lift, which is when you lift the ball up or push it away instead of bumping, setting, blocking, or attacking.
a held ball is like when a player sets they catch the ball then throw it again
Palming a volleyball is holding the ball in one of your hands with the hand holding the ball from the top of the ball.
An illegal move!! Definitely a nogo in volleyball A.K.A. Not a bump, set or spike, Dink, Drive, Dig or dive or any other valid move.
By Olympic volleyball, you should be meaning beach volleyball. There is the Japan, Soviet Union, South Korea. Russia, Brazil, United States, and more than that.
A dead ball in volleyball is any ball that touches the floor or violates a rule, resulting in an end of the play.