1. adds notes or comments to a text to explain or provide additional information
Usage: third person singular present tense of ‘annotate’

Examples

• The teacher annotates student essays with helpful feedback.
• She carefully annotates each poem with historical context.
• The software automatically annotates the code with error messages.
• He annotates his research papers with detailed citations.
• The editor annotates the manuscript before publication.
• The professor annotates the textbook margins during lectures.