composer vs Thomas Tallis

composer and Thomas Tallis both are nouns.

Word	Noun	Adjective	Verb	Adverb
composer	Yes	No	No	No
Thomas Tallis	Yes	No	No	No

composer (noun)	Thomas Tallis (noun)
someone who composes music, usually as a profession	English organist and composer of church and secular music; was granted a monopoly in music printing with William Byrd (1505-1585)