Entertaiment is a word that means agreeable occupation for the mind; diversion; amusement: Solving crosswords and other puzzles are entertainment. Seeing movies, watching TV, reading books or poetry, playing sports or games and experiencing visual art are also forms of entertainment. Entertainment often hits on themes that the brain was evolved to react deeply to, wich is why it is often focused on murders, social backstabbing and other things in the human world that we evolved to understand.
Entertainment can take on many forms, from a single movie or book read for personal enjoyment to performances intended for an entire audience. Entertainment can be a form of education, as with dance or theater, or can serve more of an emotional or psychological purpose, such as in ceremonies or religious festivals.