According to Song dynasty sources , it originated around the 10th century CE .
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 , Taoist originated around the 10th century CE .
One can see this symbol as a decorative element on Taoist organization flags and logos , temple floors , or stitched into clerical robes .