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At the forefront of the design tab is the Themes group. Themes are crucial as they define the overall aesthetics of your slides. When you select a theme, it instantly revitalizes your presentation, altering fonts, colors, and layouts across all slides. If you are not satisfied with the preset options, you can explore even more themes by clicking the designated button to browse additional choices, including downloads from various online sources.
For instance, switching themes transforms not only the colors but can also modify the arrangement and styles of your visuals. This feature is especially useful when you want your slides to maintain a consistent and professional look.