vision vs sensory system

vision and sensory system both are nouns.

Word	Noun	Adjective	Verb	Adverb
vision	Yes	No	No	No
sensory system	Yes	No	No	No

As nouns, sensory system is a hypernym of vision; that is, sensory system is a word with a broader meaning than vision:

Other hypernyms of vision include modality, sense modality, exteroception.

vision (noun)	sensory system (noun)
the ability to see; the visual faculty	the body's system of sense organs
the perceptual experience of seeing	a particular sense
a vivid mental image
the formation of a mental image of something that is not perceived as real and is not present to the senses
a religious or mystical experience of a supernatural appearance