Casino floor is the term used to describe the gaming area of a land-based casino. Many large casinos have various areas, including bars, restaurants, and even clubs. But, the casino floor is where all the action is, as this is where all slot machines and gaming tables are located.
In some casinos, there are several casino floors, with the largest one usually hosting slots, and smaller ones offering table games like blackjack, craps, etc.
For example, when you walk into a new casino and looking to play, you might ask a member of the staff to give you directions to the casino floor. This can help save you some time, especially in large venues like the ones in Las Vegas or Atlantic City.