composer vs Christoph Willibald Gluck

composer and Christoph Willibald Gluck both are nouns.

Word	Noun	Adjective	Verb	Adverb
composer	Yes	No	No	No
Christoph Willibald Gluck	Yes	No	No	No

composer (noun)	Christoph Willibald Gluck (noun)
someone who composes music, usually as a profession	German composer of more than 100 operas (1714-1787)