plural vs communication channel

plural and communication channel both are nouns.

Word	Noun	Adjective	Verb	Adverb
plural	Yes	Yes	No	No
communication channel	Yes	No	No	No

plural (noun)	communication channel (noun)
the form of a word that is used to denote more than one	(often plural) a means of communication or access

plural (adjective)	communication channel (adjective)
grammatical number category referring to two or more items or units
composed of more than one member, set, or kind