A casino is a place where people pay to play games of chance and some games of skill. The games are usually conducted by a dealer or croupier, and the winnings are paid out according to predetermined odds. Most casino games have a house edge, which means the casino always has a mathematical advantage over players. In some games, the house also collects a rake (commission) from the players.
A large portion of the casino’s income is derived from these rakes. Some casinos have separate divisions whose sole purpose is to collect these rakes and pass them on to the casino’s owner. These are called auxiliary services.
Casinos have a number of security measures in place to protect their patrons and their property. These measures include the use of surveillance cameras, manned security guards and electronic systems to monitor bets. In addition, most casinos employ gaming mathematicians to perform analysis of the house edge and variance of various games.
While some casinos add a lot of luxuries to their gaming experience, there are less extravagant places that still qualify as casinos. For example, a private club might have table games, free drinks and stage shows but lack the high rollers and fancy decor found in many Vegas casinos.