urban center vs Trent

urban center and Trent both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Trent	Yes	No	No	No

urban center (noun)	Trent (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in northern Italy (northwest of Venice) on the River Adige; the site of the Council of Trent
	a river in central England that flows generally northeastward to join with the Ouse River and form the Humber