<p>While Yin and Yang represent an ever interdependent but complementary duality within the forces of life, the Yong (用), which means "use" or "function", represents a relative but concrete reality. The addition of the Yong contemplates a useful implementation of the abstract harmony of the Yin Yang opposites....a Trinity!</p><p>Yong (永) is another Chinese character signifying "permanence"; it contains the eight principles of Yong, eight strokes common to Chinese characters.</p>