Svarloka (in Buddhism: Arupadhatu), The best and holiest realm, reserved for that gods. Often known as svargaloka. The inner courtyard along with 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://hanumantempleadelaide.blogspot.com/2024/09/discovering-spiritual-sanctuaries.html