1. To ADD a section title, click the usual "Add page" button to bring up the pop-up window.
2. Under the "Add section title" tab, enter a title and save.
3. To EDIT or DELETE a section title, locate it in the editor sidebar. Hover over it to bring up a pencil icon. Click to bring up another pop-window.
4. Here you will find both options to either "Save changes" or "Delete title".