Dao Cao Dai (Caodaism in English) is the third largest religion in Viet Nam (after Buddhism and Roman Catholicism). "Cao" means "high"; "Dai" means "palace". Caodai refers to the supreme palace where God reigns. The word is also used as God"s symbolic name. Это и многое другое вы найдете в книге History and Philosophy of Caodaism (Gabriel Gobron)