elucidation of a difficult passage
difficult, impossible, trouble, accident, defect
ナン / かた.い
unravel, notes, key, explanation, understanding, untie, undo, solve, answer, cancel, absolve, explain, minute
カイ / と.く
sentence, literature, style, art, decoration, figures, plan, literary radical (no. 67)
ブン / ふみ
explanation
シャク / とく