When the ball is served to the other team and no one touches it
When a player makes a save from a very difficult spike
When a team spikes the ball and it either ends in a sideout
Generally used as a team's first hit
A two handed finger tip action directing the ball with the forearms
Any play adding force and or direction to return the ball to the opponent
To hit the ball into the opponents court with a forceful one hand overhead motion
A play in which a players whose hands are raised above their head contacts the ball near the top of the net to prevent the ball from crossing the net
First to 25 point winning by 2
When a team has won 2 out of 3 games or 3 out of 5 games
When the team that did not serves wins the point. It is called a side out because the ball changes "side" and players rotate "out"
When the serving team hits a good serve and the first returner of that serve makes a really bad pass resulting in a point.
A special player (in an alternate color uniform) on the team that is allowed to sub in and out of the game for whoever she wants. This person is usually a defensive specialist, typically small and quick, and plays almost always on the back line.
Players in volleyball are only allowed to sub in for the same player(s) that they sub with originally. If A subs with B then for the rest of that game those two can only sub in and out for each other.