The page Layout controls the breakdown of the page. 

Selecting a layout

1. To select a layout, click on the Layouts button while editing the webpage.

2. A list will appear with a thumbnail image of what the layout looks like and a description.

3. Click on the layout you would like to use and it will change the designer on the left.

You can then continue to drag and drop widgets in each section.

You can then click the preview icons near the top of the page to see a preview of your change, then click the Publish button to make the changes go live.