Officiates a game is a job description for a referee, or ref. A referee is responsible for enforcing the rules of a game and making sure that all players abide by them. They also have the authority to make decisions on any disputes that may arise during the game. Referees are typically found in sports such as football, basketball, and hockey, but can also be found in other activities such as board games and card games. The term officiates a game is used to describe the role of a referee in any type of game.