Description Screen - Tabs and Margins
If you have added individual tabs, they are shown on the ruler as follows:

- You can change the position of the individual tabs by dragging the tabs along the ruler.
- You can add left aligned tabs by clicking the required position on the ruler.
- You can delete tabs by dragging a tab off the ruler.
Adjust Margins
The symbols for the left margin, indentation and right margin are shown on the ruler by default, as well as the maximum width available for the text:

The settings can be adjusted with your mouse by moving the symbols along the ruler to their required position.