A narrow, elongated depression, groove, notch, or slit, especially one for receiving or admitting something, as a coin or a letter. Also used figuratively: a place or position, as in a series or sequence: The program received a new time slot on the broadcasting schedule.

A space in a machine for inserting or depositing a coin. Typically, the slot contains a transparent cover that lets players see the coin inside. A slot can also be a hole or other opening in the surface of an object, such as the head of a screw. The term is also used to refer to a receptacle or container, such as the box in which a postage stamp is placed.

The gap opened along the leading edge of an aircraft wing to improve airflow.

A slot is a dynamic placeholder on your website that either waits passively for content (a passive slot) or calls out for it using a scenario or a targeter. Scenarios and targeters work together to deliver the content to the page; renderers specify how the content will be presented to the user. Slots are billed monthly on an annual or three-year commitment plan. The capacity that is backed by your slot purchase is guaranteed but it may be subject to availability. If you want to change your slot plan, contact the support team. To avoid paying for capacity that you don’t use, try to limit your slot usage to the minimum number of months required by your subscription.