A narrow notch or groove, as in a keyway, a slot in a machine, or a slit for a coin in a vending machine. Also: an opening, position or spot, as in a window, berth, appointment, billet, job, or niche

An element of a slot game that spins symbols randomly and can result in bonus features, wins, or re-spins. Often the number of spins required for a win is fixed, but the amount of the winnings are variable.

In order to build a successful slot game, it is essential that developers consider the following elements during the design process: