Entertaiment is an activity or event that has a purpose, usually for pleasure, but sometimes for serious insight and growth. Entertainment may involve a ceremony, celebration, religious festival, or satire. Often, it involves an individual or group performing a task, and can range in size from a small private party to a large global performance. Its most familiar forms include music, dance, games, movies, television shows, and performances intended for a large number of people. It also includes a variety of other activities, including sports and physical exercise. It has a long history, and has become an essential part of the lives of many people.