Entertaiment is an enormous field that encompasses everything from the smallest pleasure — like picking out a DVD to watch at home, for instance — to a major event intended for a large audience. Entertainment evolves constantly, changing in response to new needs and desires as well as new technology. While many people think of the word “entertainment” in terms of amusement and fun, it is also capable of serving serious purposes, such as at a religious festival or in a political satire. The word has its roots in the Medieval Latin term intertenere, which means to hold inside a body or vessel.