The eight-character and five-element concern refers to wood, fire, earth and gold. The five elements are produced by the concept of yin and yang. Yin and Yang are divided into four elephants. The four elephants are Qinglong Suzaku White Tiger Xuanwu, Qinglong is wood, Suzaku is fire, white tiger is gold, Xuanwu is water.
The relationship between the five elements is complementary. Wood fires, fire produces soil, native gold, gold produces water, aquatic wood. Mu, Tuk Shui, Shui, Huo, Jin Kemu.