You can also create reports that display information in a vertical list. For example, you create a report that lists sales information. In order to sort, group, and filter on different data items, you use sub-reports.
In the graphic below there are three sub-reports, Rep Name, Product and Customer Name.
The creation of sub-reports is best suited to report authors who have a good understanding of the database that the catalog uses, and who are creating standard reports for use without modification by the user community.