Referees and umpires serve as the officials in sports, ensuring that games are played fairly and according to established rules. They make critical decisions regarding fouls, penalties, and violations, requiring a thorough understanding of the sport. Their role is crucial in maintaining order on the field, which facilitates smooth gameplay and player safety. Additionally, they help to manage conflicts and communicate with players and coaches, contributing to sportsmanship and respect within the game. Effective refereeing can significantly influence the outcome of a match and the overall experience for everyone involved.