Below is a video on how to use all of the icons on the Picture Format Ribbon. If you scroll down below the video, you can get clickable quick access to each of the icon explanations in the video shown below.

0:00 Overview of Picture Format Ribbon

0:14 Remove Background

0:33 Corrections

0:52 Color Icon

0:57 Artistic Effect Icon

1:05 Transparency

1:45 Compress Pictures

2:11 Reset Picture

2:48 Picture Effects

3:00 Picture Layout

3:18 Arrange Icons

4:15 Align Icon

5:45 Crop Icon