Relationship constants

Constant	See
addresses	Relation name: addresses
addressed by	Relation name: addressed by
connects	Relation name: connects (#6)
contains	Relation name: contains
contained in	Relation name: contained in
defined by	Relation name: defined by
defines	Relation name: defines
expands to	Relation name: expands to
expands from	Relation name: expands from
explained by	Relation name: explained by
explains	Relation name: explains
identifies	Relation name: identifies
is a	Relation name: is
is keyed by	Relation name: is keyed by
instantiated by	Relation name: instantiated by
qualified by	Relation name: qualified by
qualifies	Relation name: qualifies
uses	Relation name: uses
used by	Relation name: used by