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
A visual reference for functional and narrative transitions in PowerPoint
This is a supplement to the post on building meaningful transitions in PowerPoint. I included animated GIFs thumbnails of some of the transition effects that I find are suitable for either functional and narrative roles (or even both). For each transition, I also included some of the effects option available for each effect.
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.
The Importance of Being Visual 