In the formatting section of each field in the designer, there is the ability to add a Border or "rectangle" around them. This is on a per-field basis.
1. Right-click on the field you want to format.
2. Select "Change Border"
3. This displays the "Border" tab in the "Format Editor" window
4. Notice that we can specify a border for
5. Simply choose the appropriate border style for each "side" of the field
a. The styles are Single, Double, Dashed, or Dotted
This is a nice way to make certain fields stand out on the report. For instance, a Grand Sales Total.