urban center vs Schenectady

urban center and Schenectady both are nouns.

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

urban center (noun)	Schenectady (noun)
a large and densely populated urban area; may include several independent administrative districts	a city of eastern New York on the Mohawk river; it prospered after the opening of the Erie Canal