Twitter Aggregator (CMTA) - Ordering Categories
Ordering Your Categories Order
To order existing categories in a list, go to Categories in the plugin tab.
In the categories dashboard you can see all the categories available
Place the mouse over the category container, click on the container itself and drag the category container around. You should see a move icon replacing the regular mouse icon
Once placed in it's new location a save icon will work for couple of millisecond to save the change