Metaphor is a powerful tool for helping us understand the intangibles by inferring them to what we can see or already understand. Using them in your presentation in the form of visual metaphors helps to build audience engagement and helps them in their retention and recall
Making Meaningful Use of Transitions in PowerPoint
Transitional effects are often regarded as unnecessary or as outright distractions. However, when used purposefully, they can yield tangible benefits for your presentation, from giving it a professional finish using functional transitions to using narrative transitions to visual enhance and support your presentation and talking points.