textual matter vs matter

textual matter and matter both are nouns.

Word	Noun	Adjective	Verb	Adverb
textual matter	Yes	No	No	No
matter	Yes	No	Yes	No

As nouns, matter is a hypernym of textual matter; that is, matter is a word with a broader meaning than textual matter:

textual matter (noun)	matter (noun)
the words of something written	that which has mass and occupies space
	(used with negation) having consequence
	some situation or event that is thought about
	a vaguely specified concern
	a problem
	written works (especially in books or magazines)

textual matter (verb)	matter (verb)
	have weight; have import, carry weight