This is the 2017th most frequent Japanese word.
ノート
Notebook.
The word ノート refers to a 'notebook' used for writing notes or other purposes.
新しいノートを買いました。
I bought a new notebook.
Here, ノート again indicates a 'notebook', emphasizing it as a personal possession containing valuable notes.
彼のノートには重要な情報がたくさんあります。
His notebook has a lot of important information.
In this sentence, ノート represents 'notes' taken, describing the act of recording essential points from a lecture or discussion.