"Notched" Natural Recordings by Native Speakers
Having a notch is to have a small cut or indentation in something, typically a surface or an edge. It can also refer to a slight reduction or drawback in something, such as in a deal or an opportunity. In modern usage, "notched" is often used to describe a notch cut in a phone's screen, typically for a feature such as a camera or speaker.
A notebook is a book with loose-leaf paper pages, used for writing, drawing, or other purposes, often for personal or professional use. Notes, thoughts, ideas, and data are typically recorded in a notebook, and it's a common tool for students, professionals, writers, and artists.