hall vs exhibition hall

hall and exhibition hall both are nouns.

Word	Noun	Adjective	Verb	Adverb
hall	Yes	No	No	No
exhibition hall	Yes	No	No	No

As nouns, exhibition hall is a hyponym of hall; that is, exhibition hall is a word with a more specific, narrower meaning than hall:

Other hyponyms of hall include beer hall, concert hall, exhibition area, floor, great hall.

hall (noun)	exhibition hall (noun)
a large building for meetings or entertainment	a large hall or area for holding exhibitions
a large room for gatherings, receiving guests, or entertainment
an interior passage or corridor onto which rooms open
a college or university building containing living quarters for students
a large entrance or reception room or area
the large room of a manor or castle
a large and imposing house
a large building used by a college or university for teaching or research