Plano vs urban center

Plano and urban center both are nouns.

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

Plano (noun)	urban center (noun)
a city in northeastern Texas (suburb of Dallas) with counties Collin and Denton	a large and densely populated urban area; may include several independent administrative districts