Dao is the ultimate and is what causes the cycles to change. To understand Daoism and Yin and Yang is to understand the true nature of the true ultimate reality. A religion is a way of life or path that is based on a philosophy or world-view. Therefore it is not essential for a religion to have a supernatural dimension. Daoism and Confucianism are religions, they are practices and ways of living based on philosophies of the ultimate reality, but neither Daoism or Confucianism believe in a supernatural dimension.
Some religions believe in supernatural powers or beings.
A person can be true to their beliefs without the thought of supernatural powers. As described in class the Chinese world-view is not a religion but a society based in the philosophy of a religion. The world-view is understood through the filters of Confucianism, Daoism, and Buddhism. Existence is just time passed, with no reason for it, or hope. Religion also is shaped by the society one lives in and its needs at that moment.