background

Definitions

(Noun) Non-fiction): See Context or History.

(Fiction): Information created for a story or setting to describe what has happened before to shape the current events being interacted with.

Also referred to (in gamer slang) as 'fluff' or 'setting'.

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(Noun) 1. Information needed to understand a plot or problem.
2. Part of an image that is behind the foreground.
3. Setting that is in the rear of a theater stage.
4. Extra signal or sound the interferes with the primary signal or sound.