town vs Jalalabad

town and Jalalabad both are nouns.

Word	Noun	Adjective	Verb	Adverb
town	Yes	No	No	No
Jalalabad	Yes	No	No	No

town (noun)	Jalalabad (noun)
the people living in a municipality smaller than a city	a town in eastern Afghanistan (east of Kabul)
an urban area with a fixed boundary that is smaller than a city
an administrative division of a county