The term ONE MAKING CALLS can be summarized as a referee and an umpire. A referee is a person who is responsible for enforcing the rules of a game or sport, while an umpire is a person who makes decisions on matters of play in a sport. Both referees and umpires are typically found in sports such as football, basketball, baseball, and other competitive sports. They are responsible for ensuring that the rules of the game are followed and that the players are playing fairly.