picture taking vs black-and-white

picture taking is a noun but black-and-white is not a noun.

Word	Noun	Adjective	Verb	Adverb
picture taking	Yes	No	No	No
black-and-white	No	Yes	No	No

picture taking (noun)	black-and-white (noun)
the act of taking and printing photographs

picture taking (adjective)	black-and-white (adjective)
	not having or not capable of producing colors
	lacking hue or shades of grey; part white and part black
	of a situation that is sharply divided into mutually exclusive categories