What do the palms and fists in the clasped fist salute in martial arts represent?

The four fingers of the left hand are straight together to indicate virtue. Wisdom. Body. It symbolizes a high moral character. The big finger of the left hand is flexed to indicate that it is not arrogant and not proud. The right hand with a clenched fist symbolizes the courage to practice martial arts. The left palm covers the right fist, indicating that "courage does not lead to chaos" and "martial arts do not violate prohibitions", thus restraining and controlling the meaning of martial arts prosperity. Left palm and right palm close flexion, two arms flexion round, indicating the five lakes, the world is a family of martial arts, humility and unity, martial arts will be friends. The left palm is for literature, the right fist is for martial arts, indicating that both literature and martial arts learning, waiting for teachers and friends, seniors. The fist salute is initially the fist heart outward, to the opponent that "I do not have a weapon", and later slowly evolved into the most commonly used etiquette in the martial arts.