Taijitu the Tibetan designs have three or four swirls (representing the Three Jewels or the Four Noble Truths, i.e. as a triskele and a tetraskelion design), Lai Zhide's taijitu has two swirls, terminating in a central circle. The Ming-era design of the taijitu of two interlocking spirals has been reported as "yin-yang symbol" in the first half of the 20th century. The flag of South Korea, originally introduced as the flag of Joseon era Korea in 1882, shows this symbol in red and blue. This was a modernisation of the older (early 19th century) form of the Bat Quai Do used
Taoism principle, seen in all forms change and difference such as the annual season cycles, the landscape, sexual coupling, the formation of both men and women as characters, and sociopolitical history. While almost all Taoist organizations make use of it, one could also regard it as Confucian, Neo-Confucian or pan-Chinese. One can see this symbol as a decorative element on Taoist organization flags and logos, temple floors, or stitched into clerical robes. According to Song dynasty sources, it originated around the 10th century CE. Previously, a tiger and a dragon had symbolized yin and yang. Taoist temples may fly square or