vista vs visual image

vista and visual image both are nouns.

Word	Noun	Adjective	Verb	Adverb
vista	Yes	No	No	No
visual image	Yes	No	No	No

As nouns, visual image is a hypernym of vista; that is, visual image is a word with a broader meaning than vista:

vista: the visual percept of a region
visual image: a percept that arises from the eyes; an image in the visual system

Other hypernyms of vista include visual percept.

vista (noun)	visual image (noun)
the visual percept of a region	a percept that arises from the eyes; an image in the visual system
	a mental image that is similar to a visual perception