exhibit vs light show

exhibit and light show both are nouns.

Word	Noun	Adjective	Verb	Adverb
exhibit	Yes	No	Yes	No
light show	Yes	No	No	No

As nouns, light show is a hyponym of exhibit; that is, light show is a word with a more specific, narrower meaning than exhibit:

Other hyponyms of exhibit include parade.

exhibit (noun)	light show (noun)
something shown to the public	a display of colored lights moving in shifting patterns
an object or statement produced before a court of law and referred to while giving evidence

exhibit (verb)	light show (verb)
walk ostentatiously
give an exhibition of to an interested audience
to show, make visible or apparent
show an attribute, property, knowledge, or skill