A slot is a narrow opening, especially in a machine or container. It can also refer to a position, time, or space reserved for an activity:

The first step in effective bankroll management is determining the amount of money you can afford to spend on a slot session without adversely impacting your daily life. Once you’ve established this, it is important to stick with the budget and not let the thrill of gambling entice you into spending more than you can afford to lose.

Advantage plays on slots are generally obvious and easy to execute if you know what to look for. However, it is important to remember that the math behind slot machines – and all other casino games – is stacked against you. Typically every dollar that goes into a slot only returns 75-95 cents to players over the course of the game’s life.

Slot can also refer to the aperture in a computer motherboard into which expansion cards are inserted, such as an ISA (Industry Standard Architecture), PCI or AGP slot. The word can also be used informally to describe a position, time, or space allocated for an activity: