Whether you are a player, a scorer, a spectator or of course an actual referee, knowing some of the signals will really help your game. It might actually look like the referee is dancing at the local ...

In a game of basketball ... referees, a scorekeeper, timekeeper and a shot clock operator. To ensure that everybody is aware of a decision made, the referees perform a series of hand and arm signals.

The main officials include one referee and one umpire. The court is divided between them and they swap places after each foul involving a free throw penalty. And also after each jump ball decision.