What is the word on the black belt of Taekwondo?

Taekwondo is divided into ten levels and nine segments. The sign of entering the segment is a black belt embroidered with its own name and segment (represented by Roman numerals I, II, III, IV ...).

The first three departments are assistant teachers,

The fourth to sixth parts are normal schools,

The seventh to eighth paragraphs are chords,

Jiu Duan is a teacher saint and is generally awarded honor.

In addition, there are names of organizations in the general section, such as China Taekwondo Federation, World Taekwondo Federation and Masters Association. . . The issuing authority given to you is different, and the above institutions will be different.