Hapkido is a Korean martial art practiced the world over. Characterized by joint locks, throws, and dynamic kicking techniques, it is unique among Korean martial arts (Taekwondo, Tang Soo Do) in its emphasis on deflecting an opponent's attacks instead of forceful blocking. Hapkido is the “anti-martial art”.
Aikido (Japanese: 合気道 Hepburn: aikidō) [aikiꜜdoː] is a modern Japanese martial art developed by Morihei Ueshiba as a synthesis of his martial studies, philosophy, and religious beliefs. ... Aikido is often translated as "the way of unifying (with) life energy" or as "the way of harmonious spirit".
The word Jujutsu can be broken down into two parts. "Ju" is a concept. The idea behind this meaning of Ju is "to be gentle", "to give way", "to yield", "to blend", "to move out of harm's way". "Jutsu" is the principle or "the action" part of Ju-Jutsu. In Japanese this word means science or art.