You can navigate to the Tree View by clicking on the "eye" icon in the top bar of the left panel. The tree view has the overall layout of the page.
From the Tree View, you can perform the following operations -
Single Click on the Panel to view the modules within.
Double Click on the Section to navigate to the section's Editor panel
Click on the Menu icon to perform Edit, Delete and Duplicate operations
Drag and Drop panel to rearrange them
Sections and Rows can be added from the Tree view using the respective buttons.
(Video to be added here)