What are the names of the different belt ranks?
The belts ranks, in Japanese terminology, are divided into two categories. The levels below Black Belt, Student Levels, are referred to as KYU ranks. The levels above Black Belt, Instructor Levels, are referred to as DAN ranks. The KYU levels count backwards and the DAN levels count forwards. Students are subdivided into two levels beginner and advanced. Instructors are also divided into to levels, usually around Godan, Instructors (Sensei) and Masters (Shihan).