also is used to describe Western art, which immitates arts from the North Africa, Middle East and Asia

Not necessarily imitate their art (which would probably result in artistically more interesting works), but mainly present the foreign people and cultures in an exoticising and stereotyped manner, as objects of fascination rather than normal culture.

That’s honestly enraging!? Such data can be greatly valuable for learners, and the native speakers’ community, and linguistics.