段

1. noun, counter step; stair; rung; (flight of) steps
2. shelf; layer; tier
3. noun grade; level; class
4. noun, counter dan (degree of advanced proficiency in martial arts, go, shogi, etc.); rank
5. noun paragraph; passage
6. noun, counter column (of print)
7. act (in kabuki, joruri, etc.); section; scene
8. noun row of the multiplication table (e.g. five times table)
9. stage (in a process); phase; occasion; time; moment; situation
10. formal, as ...の段 matter; occasion
11. as ...どころの段ではない, ...という段じゃない, etc. degree; extent
12. counter counter for breaks in written language or speech

たん also 反

1. noun variable measure of fabric (28.8 cm in width); for kimonos: at least 10 m in length; for haori: at least 7.27 m in length; for other clothes: at least 6.06 m in length
2. 300 tsubo (991.74 meters square, 0.24506 acres)
3. six ken (10.91 m)