urban center vs Fort Worth

urban center and Fort Worth both are nouns.

Word	Noun	Adjective	Verb	Adverb
urban center	Yes	No	No	No
Fort Worth	Yes	No	No	No

urban center (noun)	Fort Worth (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in northeastern Texas (just to the west of Dallas); a major industrial center