Yin and yang Da Cidian") enter "yangyin" *陽陰. While "yang" and "yin" can occur together in context, "yangyin" is not synonymous with "yinyang". The linguistic term "irreversible binomial" refers to a collocation of two words A-B that cannot be idiomatically reversed as B-A, for example, English "cat and mouse" (not *"mouse and cat") and "friend or foe" (not *"foe or friend"). Similarly, the usual pattern among Chinese binomial compounds is for positive A and negative B, where the A word is dominant or privileged over B, for example, "tiandi" 天地 "heaven and earth" and "nannü" 男女 "men and women". "Yinyang" meaning "dark and
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