The scissors gaan sao is to be considered equally as defensive or offensive move. It protects the whole upper body from waist to head.
encyclopaedie
Wu sao will be described as protecting hand. It is the last line of defense in front of the body, before the attack reaches it.
The fung hao is an attack executed with the side of one's hand that will generally be directed to the neck of the opponent. The fung hao is...
The jut sao is executed with the inner part of the wrist and serves as a preparation for further attacks like a punch or a fung hao.