You can easily customize the contents in the Advanced tag editor by customizing the active template.
To customizing a template, click the Edit template... button and the template editor will open up.
At the top you will see a drop-down list of tabs contained in the template.
Create a new tab by clicking the New button.
Edit the active tab by clicking the Edit button.
Remove the active tab by clicking the Delete button.
After these buttons you will see a text showing how many columns of controls the active tab have.
A template can have one to four columns of equali widths.
Click the Up button to move the active tab up.
Click the Down button to move the active tab down.
The list of available fields shows all fields that are currently not used on any tab. To add the selected available field to the active tab, either click the Add button or double-click the field in the list.
The list of selected fields shows all fields that are included in the active tab. To remove a field from the tab, either click the Remove button or double-click the field in the list.
To move the selected filed up or down in the tab, click the Up/Down buttons.
The button Add blank will add a blank control to the list of fields which can be useful if you have a layout with multiple columns but would like to have sole control on a single line.
If you select a field in the selected fields list the checkbox Span will be enabled and possibly checked. If Span is selected, the column will span over all columns in a multi-column layout.
Loading and saving templates
Click the Load button to load a previously stored template.
Click the Save as... button to save the current template into a new name.