Study aids are tools used to help students learn and understand material. They can include NOTES, flashcards, diagrams, and other visual aids. NOTES are one of the most common study aids used by students. NOTES are written summaries of information that can be used to review material or as a reference when studying. NOTES can be taken during lectures, readings, or other activities to help students remember important points. NOTES can also be used to create outlines for papers or projects.