They are a kind of martial art in which one attacks or defends with hands and feet anytime or anywhere, with occasional use of weapons. The literal translation for tae kwon do is 'kicking', 'punching', and 'the art or way of'.
Taekwondo, Tae Kwon Do or Taekwon-Do ( / ˌ t aɪ k w ɒ n ˈ d oʊ, ˌ t aɪ ˈ k w ɒ n d oʊ, ˌ t ɛ k w ə n ˈ d oʊ/ Korean: 태권도 Hanja: 跆拳道 ( listen)) is a Korean martial art involving punching and kicking techniques, with emphasis on head-height kicks, spinning jump kicks, and fast kicking techniques.