（Brahma-loka）. （1） The 'Brahma-Heaven' in the realm of form. （2） Brahman， which in Indian thought is the substrate of all existence， is converted into a god in Buddhism， and is used to name the First Concentration Heaven 初禅天. This is a general term for the three heavens included in it， which are Brahma^-ka^yika 大众天， Brahma-purohita 梵辅天， and Maha^brahma^ 大梵天. The term is also often used to denote the Maha^-brahma^ heaven itself.