Svarloka (in Buddhism: Arupadhatu), The best and holiest realm, reserved for that gods. Also referred to as svargaloka. The inner courtyard and the roof of every temple symbolize the realm of svarloka. The roof of Prambanan temples are adorned and crowned with ratna (sanskrit: jewel), the shape of Prambanan Ratna https://shanigodvahana.blogspot.com/