For 10 points, the Sanskrit for "circle" names what often-impermanent construct used to contemplate the universe in Buddhism?
One division of them labels each garbha-dhatu, in which many things become one, or a vajra-dhatu, which reverses the process. A common type is surrounded by four layers: the ring of fire, the girdle of diamonds, the circle of graveyards, and the lotus leaves. Often found in tanka paintings, a stone one forms a stupa at Borobudur, where one can walk the path from its outside inward that represents the cosmic cycle. For 10 points, the Sanskrit for "circle" names what often-impermanent construct used to contemplate the universe in Buddhism?
One division of them labels each garbha-dhatu, in which many things become one, or a vajra-dhatu, which reverses the process.
{mandala}