treatment vs artistic style

treatment and artistic style both are nouns.

Word	Noun	Adjective	Verb	Adverb
treatment	Yes	No	No	No
artistic style	Yes	No	No	No

As nouns, artistic style is a hypernym of treatment; that is, artistic style is a word with a broader meaning than treatment:

Other hypernyms of treatment include idiom.

treatment (noun)	artistic style (noun)
care provided to improve a situation (especially medical procedures or applications that are intended to relieve illness or injury)	the style of a particular artist or school or movement
the management of someone or something
(medicine) the act of caring for someone (as by medication or remedial training etc.)
a manner of dealing with something artistically
an extended communication (often interactive) dealing with some particular topic