Description:You don't need to read Arabic to see the beauty of this writing, or to see why it would quickly be incorporated into so many other artistic forms. The simple elegance of plain black script circling the rim of a white ceramic plate or bowl speaks for itself and is universal. Clip is from "Islamic Art: Mirror of the Invisible World," a 90-minute documentary to be broadcast nationally on PBS July 6 at 9 p.m. (check local listings) as part of the PBS Arts Summer Festival.(3:01)