Windsor vs urban center

Windsor and urban center both are nouns.

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

Windsor (noun)	urban center (noun)
the British royal family since 1917	a large and densely populated urban area; may include several independent administrative districts
a city in southwestern Ontario on the Detroit River opposite Detroit