Tae Kwon Do is a version of an ancient form of unarmed combat practised for many centuries in the Orient. Tae Kwon Do became perfected in its present form in Korea.
Translated from Korean: 
‘Tae’ literally means foot
‘Kwon’ means the hand or fist
‘Do’ is the art or way of
Tae Kwon Do therefore represents the method of unarmed combat for self-defence, involving the skilled use of both the arms and legs for punches, kicks, blocks, dodges, throws and locks to protect one's self and neutralise an opponent.
To the Korean people Tae Kwon Do is more than a mere use of physical ability. It implies a whole way of life, rich in tradition and philosophy, particularly by instilling the spirit of strict self-discipline and an ideal of strong moral values.
Tae Kwon Do has something to offer everyone, men, women and children can all enjoy the art, irrespective of their current level of ability and fitness (or lack thereof !!!).
Tae Kwon Do is famous for it kicks. Out of all the Martial Arts, it probably has the most variety of kicks and is responsible for the advance of many kicks in other styles.
Bruce Lee himself took up Tae Kwon Do for it’s kicking ability, which he added to his own art, Jeet Kune Do.