Because Taijiquan expands upon external boxing methods, researching the internal flow of jing, that's why there is the appearance of sticky jing (nien jing), neutralizing jing (hua jing), holding jing (na jing), emitting jing (fa jing), peng jing, long jing (chang jing), short jing (duan jing), etc commonly known traditional names. There are always some people who like to do according to their will and create new names.
