The document discusses various presentation aids that can be used independently or together when giving a presentation. It identifies some common aids like flip charts, handouts, overhead transparencies, and posters. The document then examines four of these aids in more detail, outlining their advantages and disadvantages. For each aid, it provides examples of how they can be used and prepared. In conclusion, it stresses the importance of evaluating which aids are most appropriate and designing the presentation to allow for questions and review.