In the Advanced Layout Editor there are two types of elements; 'Page' elements and 'Section page' elements.
Section Page elements are the same as the block elements in the front end editor. You can revisit the Block Elements page for more information. These elements are the core elements and most commonly used. Page elements are often used in templates, such as articles and user profiles. It is recommended that you stick to using the Section Page elements.
To add an element:
Note: you can add multiple elements to the same box.
To edit an element:
What you can edit depends on the element type. For example, if you are editing:
To delete an element:
Once you delete a box you can't undo this action - so make sure you're sure before you delete!