Islamic art synthesizes a brad range of culture traditions with its own stylistic concerns because Islam is not just in one nation, Islamic culture is spread through multiple countries. Since many countries follow Islam, the art is so broad because because they are using their countries' culture to adapt on Islam culture. One Islamic country may have a different style of art than another Islamic country.
Ummm, I think you wanted to add options but something that could be used to help clarify is rereading or finding words that you dont understand and search them in a dictionary.
