Taijitu is "two-part Taiji diagram". Unicode features the "yin-yang symbol" in the Miscellaneous Symbols block, at code point U+262F (YIN YANG ☯). The related "double body symbol" is included at U+0FCA (TIBETAN SYMBOL NOR BU NYIS -KHYIL ࿊), in the Tibetan block. The Soyombo symbol, that includes a taijitu, is available in Unicode as U+11A9E, 𑪞, U+11A9F, 𑪟, and U+11AA0, 𑪠. Ornamental patterns with visual similarity to the "yin-yang symbol" are found in archaeological artefacts of European prehistory; such designs are sometimes descriptively dubbed "yin yang symbols" in archaeological literature by modern scholars. The "taijitu" consists of five parts. Strictly speaking,
Chinese sun and moon mirrors respond with fire: the pure essence of "yang". When placed before the moon—the ultimate "yin" 陰 phenomenon in the world—they respond with water: the pure essence of "yin". Thus mirrors offer the paradigm for "proper responsiveness": they reflect the true essence of the ultimate "yin" and "yang"—the alpha and omega of phenomena in early Chinese cosmology." (Carr and Ivanhoe 2000: 56) Erin Cline says the early Chinese attributed mirrors to have a mysterious power and great religious significance. The ceremonial bronze "fusui" 夫遂 and "yangsui" 陽燧 mirrors were seen as active, responsive objects because they could be used to produce