A slot is a position in a group or series that can be filled. The word is often used in sports to refer to the area between two face-off circles in an offensive zone, where speed players can go inside and outside (as opposed to boundary cornerbacks who cover only the arc of the wide receiver). The slot also is the name of a device that allows a computer to store data on a disk.
To play a video slot, you insert cash or, in ticket-in, ticket-out machines, a paper ticket with a barcode and then activate the machine by pressing a button. The reels then spin, and if you hit a winning combination of symbols, you earn credits based on the paytable. Each slot game has a theme, and the symbols and bonus features usually align with that theme. Slots are popular in casinos, but you can also find them online.