Svarloka (in Buddhism: Arupadhatu), The very best and holiest realm, reserved for your gods. Often known as svargaloka. The interior courtyard plus the roof of each temple symbolize the realm of svarloka. The roof of Prambanan temples are adorned and crowned with ratna (sanskrit: jewel), The form of Prambanan Ratna https://hanumanmandirsouthaustralia.blogspot.com/