A "lineup" typically refers to a group of individuals or items arranged in a specific order for a particular purpose. In law enforcement, a lineup is often used to help witnesses identify a suspect among a group of people. This process is crucial for ensuring accurate identification and can involve both live individuals and photographs. In sports, a lineup refers to the arrangement of players participating in a game. Coaches select players based on their skills and strategies, aiming to create the most effective team for competition. This can apply to various sports, including baseball, basketball, and football.