1. explanatory notes or comments added to a text, document, or other work
Usage: plural form of annotation

Examples

• The professor’s annotations in the margins helped clarify the difficult passages.
• Students were required to include annotations explaining their research sources.
• The manuscript contained extensive annotations by the editor.
• Her annotations on the poem revealed deeper meanings in the text.
• The digital document allowed users to add their own annotations.
• The book’s annotations provided historical context for each chapter.