Comp

Comp is an abbreviation with multiple meanings:

In music:
- An abbreviation for accompaniment, also specifically in jazz known as comping
- Shorthand for compilation album, a collection of music by different artists
In education, Comp is typically short for Composition studies.
In advertising, shorthand for comprehensive layout
In law, shorthand for Workers' compensation
Slang for complimentary, generally something of value, like tickets to an event, that is given free or without additional charge
Slang for computer, generally used among users of computer and online games, and is usually tied in with various other words, eg. comp games, comp chat, comp gamers, etc.