In Premiere Elements, you work through your project using the Taskbar buttons on the upper right. When you choose a button, Premiere Elements automatically arranges the interface to facilitate that activity.
Chapter 2 and the Timeline controls in Chapter 3.
This is the How To palette which displays task-specific direction. Here, in Effects mode, the palette displays tips on how to create a number of video effects. When you select another mode, the palette displays tasks specific to that mode.