Limeira vs urban center

Limeira and urban center both are nouns.

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

Limeira (noun)	urban center (noun)
a city of southeastern Brazil (northwest of Sao Paulo)	a large and densely populated urban area; may include several independent administrative districts