adjective
BAD : The country's artistic treasures should be left where they are.
GOOD : The country's art treasures should be left where they are.
BAD : Students coming from artistic schools can join the Academy of Arts.
GOOD : Students coming from art schools can join the Academy of Arts.
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artistic = (1) showing the skill or imagination of an artist: 'Both my parents were highly imaginative and artistic.' (2) connected with art or artists: 'His paintings have little artistic merit.'
art = things produced by artists such as paintings and sculptures.
This word is used as a noun and to modify another noun: 'The portrait is a fine example of early Renaissance art.' 'She owns one of the finest art collections in Europe.'