Layer

(Namespace: plural glossary)

Type of term	Part of the structure of a system
Synonyms or near-synonyms	Headspace, side system, subsystem
Antonyms or near-antonyms	None

A layer of a system is a self-contained grouping of headmates, headspace locations, or other psychological material. Its role as a whole may be to conceal the existence or details of the layers below it from the awareness of the layers above it, particularly in partitionary systems.