arabesque vs ballet position

arabesque and ballet position both are nouns.

Word	Noun	Adjective	Verb	Adverb
arabesque	Yes	No	No	No
ballet position	Yes	No	No	No

As nouns, ballet position is a hypernym of arabesque; that is, ballet position is a word with a broader meaning than arabesque:

arabesque: position in which the dancer has one leg raised behind and arms outstretched in a conventional pose
ballet position: classical position of the body and especially the feet in ballet

arabesque (noun)	ballet position (noun)
an ornament that interlaces simulated foliage in an intricate design	classical position of the body and especially the feet in ballet
position in which the dancer has one leg raised behind and arms outstretched in a conventional pose