visual image vs aspect

visual image and aspect both are nouns.

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

As nouns, aspect is a hyponym of visual image; that is, aspect is a word with a more specific, narrower meaning than visual image:

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

visual image (noun)	aspect (noun)
a percept that arises from the eyes; an image in the visual system	the feelings expressed on a person's face
a mental image that is similar to a visual perception	a characteristic to be considered
	a distinct feature or element in a problem
	the visual percept of a region
	the beginning or duration or completion or repetition of the action of a verb