Taijitu as the Joseon royal standard. Since the 1960s, "yin-yang symbol" is most widely applied to the "He tu" symbol which combines the two interlocking spirals with two dots. In the standard form of the contemporary "yin-yang symbol", one draws on the diameter of a circle two non-overlapping circles each of which has a diameter equal to the radius of the outer circle. One keeps the line that forms an "S", and one erases or obscures the other line. The design is also described "pair of fishes nestling head to tail against each other". The Soyombo symbol of Mongolia may be
Tai chi single ultimate, represented by the "taijitu" symbol . Tàijíquán theory and practice evolved in agreement with many Chinese philosophical principles, including those of Taoism and Confucianism. Tàijíquán training involves five elements, "taolu" (solo hand and weapons routines/forms), "neigong" and "qigong" (breathing, movement and awareness exercises and meditation), "tuishou" (response drills) and "sanshou" (self defence techniques). While tàijíquán is typified by some for its slow movements, many styles (including the three most popular: Yang, Wu and Chen) have secondary forms with faster pace. Some traditional schools teach partner exercises known as "tuishou" ("pushing hands"), and martial applications of the postures of