By default, the Tab stops are placed every half
inch (0.5") when you hit the Tab key on your keyboard.
Each Tab stop is identified by it's position. When you
select a Tab stop you can edit the Alignment as well as
the Leader lines.
In the screen shot on this page, there are two stops: the
first one is a 1" and the second one is at 2". When you click
on 1" in the list box that
you can edit the Alignment and the Leader if you wish.
Try This: Change the Alignment
Select the first Tab stop.
Go to Alignment and click Center. Click
Memo to Self: When you click
Set, it saves your alignment for Tab stop 1. Now, you can edit the
alignment for Tab stop 2 if you wish.