Default order: By default, your groups are sorted as follows:
Within each of
these categories, your groups are sorted alphanumerically.
Custom order: You can rearrange the groups in whatever order you choose
so that your favorite groups are easily accessible.
If you've customized the order, you can always return to the default order by
clicking Use Default Order at the bottom of the list. Likewise, if you
want to return to your custom order, you can do so by clicking Use Custom
Order below the list.
Learn more about ordering
your groups.