In Craps, winning or losing depends on a variety of different possible outcomes on any roll of the two dice. The two dice can produce many different number combinations; some can be made several ways, others only one way. For example, two dice can roll the number 6 as follows: 5/1, 4/2, 3/3, 2/4 and 1/5. But the number 2 can only be rolled one way: 1/1.

A new game in Craps begins with the ""Come Out"" roll. A "Come Out" roll can be made only when the previous shooter fails to make a winning roll more correctly known as "not making the "Point"" or "seven out". A new game then begins with a new shooter. If the current shooter does make his "Point", the dice are returned to him and he then begins the new "Come Out" roll. This is a continuation of that shooter's roll, although technically, the "Come Out" roll identifies