"Field of Cinnabar " A Daoist term referring to a center of energy located approximately two inches below the navel and inside the lower abdomen The location roughly corresponds to the center of mass of a person standing in a natural posture, hence it is often referred to as the "center of being " In the internal Martial Arts, Qi is considered to be stored in the Dantian In the Chinese Classics, the Dantian is referred to as the place where one produces the elixir of immortality