What is yin and yang gossip?

Yin-Yang Eight Diagrams, also known as Taiji Eight Diagrams, are eight basic figures used in the Book of Changes, an important Taoist classic in ancient China, and are composed of "-"and "-"symbols. The names are: Gan, Kun, Zhen, Xun, Kan, Li, Root and Right, which symbolize heaven, earth, thunder, wind, water, fire, mountains and eight natural phenomena. Gankun Gua occupies a particularly important position in the Eight Diagrams.