In addition to reordering content inside the current level, you can also move...
- categories into other categories
- sub-categories into other categories
- sub-categories to the top category level
- articles to the top category level
- articles into other categories
- articles into other sub-categories
To do this...
- Click (and hold) on the title of the category or article you wish to move.
- Drag and drop it into the desired category, or drop it in the outline box for "Move to Top Level".