The document discusses the use of visual aids when presenting. It defines visual aids as mediums like overhead projectors, computer projectors, flipcharts and whiteboards that are used to get a message across. Visual aids are beneficial as they assist in preparation, highlight key points, increase audience retention and stimulate the brain. The document provides tips for creating effective visual aid slides in PowerPoint or other programs, such as using one idea per slide and sans serif fonts. It also offers advice for setting up, practicing with and performing effectively with visual aids.