Infer the meaning of the word "Annotate" based on the context clues provided in the paragraphs.
Paragraph 1 (Character Reaction): As she read the article, she scribbled explanations in the margins.
Paragraph 2 (Cause and Effect): Because he wrote reminders next to formulas, he understood them better.
Paragraph 3 (Contrast): While some students left pages blank, Maya filled hers with clarifying notes.