composer vs Peter Ilich Tchaikovsky

composer and Peter Ilich Tchaikovsky both are nouns.

Word	Noun	Adjective	Verb	Adverb
composer	Yes	No	No	No
Peter Ilich Tchaikovsky	Yes	No	No	No

composer (noun)	Peter Ilich Tchaikovsky (noun)
someone who composes music, usually as a profession	important Russian composer whose works are noted for their expressive melodies (1840-1893)