visual aspect vs quality

visual aspect and quality both are nouns.

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

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

visual aspect (noun)	quality (noun)
outward or visible aspect of a person or thing	an essential and distinguishing attribute of something or someone
	(music) the distinctive property of a complex sound (a voice or noise or musical sound)
	a degree or grade of excellence or worth
	a characteristic property that defines the apparent individual nature of something
	high social status

visual aspect (adjective)	quality (adjective)
	of superior grade
	of high social status