Dictionary
Words
to operate (e.g. a machine) ②to have a good command of (a language) ③to work (a puppet) ④to manipulate (a person, public opinion, etc.)
step ②grade ③dan (degree of advanced proficiency in martial arts, go, shogi, etc.) ④paragraph ⑤column (of print) ⑥row of the multiplication table (e.g. five times table) ⑦counter for breaks in written language or speech