Svarloka (in Buddhism: Arupadhatu), the highest and holiest realm, reserved with the gods. Generally known as svargaloka. The inner courtyard as well as the roof of each temple symbolize the realm of svarloka. The roof of Prambanan temples are adorned and crowned with ratna (sanskrit: jewel), the shape of Prambanan https://hindutemplesadelaide.blogspot.com/