We've shown you the potential benefits of making things visual to help you remember them. Author Dan Roam suggests applying those mental images to each specific talking point in your presentation.
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Roam, the author of Show and Tell, recommends you take a series of visual images and arrange them in an imagined space, or "memory palace":
...imagine you're walking through a place you know well and make a connection between the point you want to make and the items you see. He gives the example of a presentation on technology.
Say, you first want to talk about Apple. You may imagine stepping inside your house and seeing a bowl of apples on the table. If the next thing you want to talk about is rapid change, perhaps you imagine a clock above the bowl of apples that's spinning fast. When you begin your speech, you step back into your memory palace and visualise these cues, allowing them to guide you through your presentation.
With enough practising, and the use of well-thought-out visual cues, your presentation can be as easy as taking a walk.