A book of blank or lined pages bound together for writing notes, often used by students for lessons, homework, or by anyone for jotting down important information and ideas.

情報(じょうほう)を書(か)き留(と)めるための白紙(はくし)のページが集(あつ)まった冊子(さっし)。生徒(せいと)が授業(じゅぎょう)で使(つか)う。