Lille vs urban center

Lille and urban center both are nouns.

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

Lille (noun)	urban center (noun)
an industrial city in northern France near the Belgian border; was the medieval capital of Flanders	a large and densely populated urban area; may include several independent administrative districts