The Taijitu (Chinese: 太極圖; pinyin: Taìjí tú; Wade–Giles: T'ai4 chi2 t'u2; lit. 'diagram of the supreme ultimate'), often incorrectly called a yin-yang, is a well known symbol deriving from Chinese culture which represents the principle of yin and yang from Taoist and Neo-Confucian philosophy. The term Taijitu itself refers to any of several schematic diagrams representing these principles.