What Is a Slot?

In computing, a slot refers to a position of a device’s motherboard that is compatible with an expansion card. There are many types of slots, including ISA (Industry Standard Architecture), PCI (peripheral component interconnect), and AGP (accelerated graphics port). A single computer may have multiple slots.

Linguisticsa narrow notch, groove, or slit, esp. one for receiving something, such as a coin or a letter. Also: a place or position in a series or sequence: ‘Her TV show is shown in the eight o’clock slot on Thursdays.’

Aeronauticsa time and place for an aircraft to take off or land, as authorized by an airport or air-traffic control authority: ‘They will fly at the 10 o’clock slot on Tuesday.’

The number of slots in a game varies from machine to machine and even between individual spins of the same machine. It is important to read the rules of a particular slot game to understand the methodology behind its unique system. It is also a good idea to review the payouts and jackpots of each slot.

In the context of a bot, a slot is a dynamic placeholder that either waits for content to be added to it (passive slot) or calls out to a renderer to fill it with content. The content in a slot is dictated by a scenario and can be passed from a repository to the slot via an Add Items to Slot action or from a renderer to the slot using a Redirect Slot action.