urban center vs Temuco

urban center and Temuco both are nouns.

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

urban center (noun)	Temuco (noun)
a large and densely populated urban area; may include several independent administrative districts	a city in central Chile to the south of Concepcion