annotation
🇺🇸
/ˌænəˈteɪʃn/
🇬🇧
/ˌænəˈteɪʃn/
A brief explanation or comment added to a text or image to explain or give more information.
The teacher asked students to add annotations to the margins of the book.
선생님은 학생들에게 책의 여백에 주석을 추가하라고 요청했습니다.