A slit or narrow opening, especially one for receiving something, such as a coin or letter. Also, a gap opened along the leading edge of an airplane wing to improve airflow.
A slot is a position on the pay table that shows how much the game pays out for matching symbols. The more pay lines on a slot machine, the more ways you can win, but you should also be aware that the odds of hitting any particular combination are still random and that winning is left up to chance.
Many people have tried to figure out how to beat slots by moving between machines after a certain period of time or after getting some big payouts (under the assumption that the machine will tighten up after paying out generously). However, these strategies are useless because each spin is independent and has no relation to the previous one or future ones. The result of a given spin is determined by the random number generator, which is not affected by any action you take or anything that has happened before.
To use slots, you must create a reservation. A reservation specifies the slots that a project, folder, or organization can use when it runs. If a resource is not assigned to a reservation, it will inherit the assignments of its parent in the resources hierarchy. You can assign the same reservation to multiple projects, so that they share resources and do not compete for the same slots.