http://en.wikipedia.org/wiki/Taekwondo#Ranks....Ranks, belts, and promotion
Master Tom Sawyer demonstrating stance.Like many martial arts, taekwondo has ten student ranks (called a gup, 급, also romanized as geup or kup) and nine or ten black belt ranks (dan, 단) or (degree). New students begin at 10th gup (white belt) and advance down in number to 1st gup. At many schools, students then advance into an intermediate rank called cho dan bo or dan bo, meaning "black belt candidate". After some prescribed amount of time has passed, the student takes a dan test, after which the student becomes a 1st dan.
Dan ranks then increase to a maximum of either 9th dan (ITF) or 10th dan (Kukkiwon). The Kukkiwon does not allow students under 15 to attain dan ranks. Instead they earn poom ranks, or "junior black belt". Underage students may earn up to 4th Poom, and all poom ranks convert automatically to dan ranks when the student comes of age and passes his or her next promotion[6].
The grading in taekwondo consists mainly of patterns, techniques and theory. The patterns are a display of punching and kicking techniques, and may also contain others such as breathing and stances. Theory is displayed verbally and expresses information on Korean words, vital information (such as vital points and rules) and a general understanding and knowledge of taekwondo.
[edit] Gup ranks and belt colors
The colored belt system is an artifact of Japanese influence on Korea during the occupation, and thus ultimately from Jigaro Kano, the founder of judo. Some organizations' leaders, like General Choi Hong Hi, assigned meanings to the various colors of the ranks,[7] representing the progression of a student from white, the innocence of a beginner, into the maturity of the black belt, who is impervious to darkness and fear. The interpretation of the colors of the belt vary from school to school, and are sometimes omitted from instruction, as they did not have meaning when they were originally chosen. Neither the World Taekwondo Federation nor the Kukkiwon assign official meanings to the colors.
The correspondence of belt color to Gup varies drastically from school to school, and can even change within the same school over time. Belt colors are most useful in allowing students and instructors within a school to quickly determine rank. The traditional and most common rank-color correspondence found in Kukkiwon and ITF schools in the USA are...