For the game by Frederick D. King, see Library (by King).
A standard collection of code that is included in the authoring system. It typically defines the fundamental "rules" of the game world: how taking, dropping, pushing, and pulling objects is handled; how keys can be used to unlock doors; etc. More sophisticated libraries may provide even more general functionality such as sense-passing.
- Discussions about libraries and library design on the rec.arts.int-fiction newsgroup