Instantiation As Attributive Relation

each text	belongs to	a register
Carrier: possessed	Process: possession	Attribute: possessor

But the above is incongruent, because instantiation is an intensive — not possessive — attributive relation (Halliday & Matthiessen 1999: 145), as in:

this text	is	a register
Carrier	Process: intensive	Attribute

Note that if we say that this text "instantiates" a register, the relation is not attributive, because it can be reversed to a register is instantiated by this text.

If we say this text is an instance of a register, then the instantial relation is construed by the structure of the nominal group:

this text	is	an instance of a register
Identified / Token	Process: relational	Identifier / Value

an instance of	a	register
Numerative: variety	Deictic	Thing