What is the belief system of the religion "Taoism" / "Daoism" ?

Taoism theology emphasizes various themes found in the Daodejing and Zhuangzi, such as naturalness, vitality, peace, "non-action" (wu wei), emptiness (refinement), detachment, the strength of softness (or flexibility), receptiveness, spontaneity, the relativism of human ways of life, ways of speaking and guiding behavior.