八卦 ; pinyin : bā guà ; Wade-Giles : pa kua ; literally "eight symbols") is conceptually a template or a ruler within the Taoist cosmology to track changes. There are two types of Bagua, firstly the Primordial Bagua (先天八卦) or Fuxi Bagua (伏羲八卦) attributable to Fuxi (2852 BCE) as a