urban center vs Charleston

urban center and Charleston both are nouns.

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

urban center (noun)	Charleston (noun)
a large and densely populated urban area; may include several independent administrative districts	an American ballroom dance in syncopated rhythm; popular early in the 20th century
	a port city in southeastern South Carolina
	state capital of West Virginia in the central part of the state on the Kanawha river

urban center (verb)	Charleston (verb)
	dance the Charleston