folio vs black and white

folio and black and white both are nouns.

Word	Noun	Adjective	Verb	Adverb
folio	Yes	No	No	No
black and white	Yes	Yes	No	No

folio (noun)	black and white (noun)
a book (or manuscript) consisting of large sheets of paper folded in the middle to make two leaves or four pages	a black-and-white photograph or slide
a sheet of any written or printed material (especially in a manuscript or book)	communication by means of written symbols (either printed or handwritten)
the system of numbering pages

folio (adjective)	black and white (adjective)
	not having or not capable of producing colors