The yin " shadow " and yang " light " Basically, the symbol represents the Taoist philosophy(6th century BC) and it is not religious but based on the observations of nature. Yin Yang by Madmandalic The two dots represents that there is Yin within Yang and Yang within Yin , that is there is some Good in Bad and some Bad in Good . Everything in nature is made from the opposite forces,but the forces are neither good nor bad, they are necessary to the existence of everything. Yin and Yang are completely opposite to each other, relative to each other and one cannot exist without the other. About the Drawing: The Drawing simply describes the yin-yang symbol filled with designs