Relationship constants

contains contained in	(see Relation name: contains) (see Relation name: contained in)	addresses addressed by	(see Relation name: addresses) (see Relation name: addressed by)
expands to expands from	(see Relation name: expands to) (see Relation name: expands from)	defined by defines	(see Relation name: defined by) (see Relation name: defines)
connects	(see Example – “connects” relation pair)	qualified by qualifies	(see Relation name: qualified by) (see Relation name: qualifies)
uses used by	(see Relation name: uses) (see Relation name: used by)	is a instantiated by	(see Relation name: is) (see Relation name: instantiated by)
explained by explains	(see Relation name: explained by) (see Relation name: explains)	identifies is keyed by	(see Relation name: identifies) (see Relation name: is keyed by)