There are two types of table services, formal and informal. Informal service includes those occasions in which the host, hostesses and other members of the group, as well as the waitress or waiter, may participate. It should be friendly, gracious and simple. In formal service, the waitress or waiter alone participates. The host and hostesses take no part. They only watch to see that the procedure goes smoothly. This type is dignifying, elegant and elaborate. It can only be used where there are servants.