In PowerPoint, any Theme brings to the table several unique facets such as Theme Fonts, Theme Colors, and Theme Effects — and also Slide Layouts, Backgrounds, etc. When you apply another Theme to your PowerPoint presentation, the changes reflect in all slides in the presentation. Yet, the change is complete, and thus the resulting slides all look consistent. In this tutorial, our focus is primarily on Theme Fonts — we’ll explore how Theme Fonts work in your presentation.
Explore Theme Fonts in PowerPoint 2016.