A box is a segment of content i.e. element(s) within the body of a webpage. A box in the Advanced Layout Editor (back end) is equivalent to a row in the front end editor. Using the Advanced Layout Editor allows for more manipulation and movement of the boxes.
To add a box:
To edit a box you will need to access the box properties tab. More information is found in Box Properties.
To move a box:
There are numerous positions to add or move a box. Look at the images below to see where you can place it.
Note: You are using the padding of the box to pick up the position. If nothing appears when you hover over it, your padding is not wide enough. Change the settings of your padding and amend when finished.
Result:
Note: If another box is in the way as you try to delete, move your box to the bottom and then try deleting.