Taijitu during the Qing period for their possible connection with Zhou Dunyi's "taijitu". Ming period author Lai Zhide (1525–1604) simplified the "taijitu" to a design of two interlocking spirals. In the Ming era, the combination of the two interlocking spirals of the "taijitu" with two black-and-white dots superimposed on them became identified with the "He tu" or "Yellow River diagram" (河圖). This version was reported in Western literature of the late 19th century as the "Great Monad", and has been widely popularised in Western popular culture as the "yin-yang symbol" since the 1960s. The contemporary Chinese term for the modern symbol
Yin and yang sun ④ in relief ⑤ open; overt ⑥ belonging to this world ⑦ [linguistics] masculine ⑧ south side of a hill ⑨ north bank of a river The compound "yin-yang" 陰陽 or 阴阳 means "yin and yang; opposites; ancient Chinese astronomy; occult arts; astrologer; geomancer; etc.". The sinologist Rolf Stein etymologically translates Chinese "yin" 陰 "shady side (of a mountain)" and "yang" 陽 "sunny side (of a mountain)" with the uncommon English geographic terms "ubac" "shady side of a mountain" and "adret" "sunny side of a mountain" (which are of French origin)... Many Chinese place names or toponyms contain the