Mod (noun)

A modification or alteration to something, such as a piece of software, hardware, or a vehicle, intended to improve its performance, functionality, or appearance.

Origin:

Derived from the word "modification".

Examples:

1. The car had a lot of mods, including a new exhaust and suspension.
2. The game has a lot of mods that add new features and content.
3. Mod can refer to a modification of a game, a car, a computer or other devices.
4. Mod can also refer to a subculture of people who are interested in these modifications.
5. Mods can be found online and can be installed by the users themselves or by professional modders.