Sections are the basic elements of an email and correspond to the top level of its structure. They contain the content elements (texts, images, buttons, etc.), and it is from these that you can define modules.
Sections are the basic elements of an email and correspond to the top level of its structure. They contain the content elements (texts, images, buttons, etc.), and it is from these that you can define modules.
To add a section to an email, switch to the “Elements” tab in the design pane.

You can then drag and drop the “Section” element to the position you want in the email.
For more information about the design pane, please refer to The structure of the Designer.
When you select a section and access the “Styles” tab in the design pane, you will have access to several customization options divided into 6 categories:

This category gives you access to the following options:

For more information on how columns work, please refer to Customizing columns
For more information on how rounded corners and borders work, see Customizing an element’s rounded corners and borders.
For more information on how links work, please refer to Adding links to an email.
For details, please refer to Dynamic content.