The Quality module is based on an application modules tree. The application modules tree is a logical depiction of the product, reflecting the product's functional areas. It is typically defined by the business analyst. The application modules tree shows how the application is broken down and allows you to track quality by logical business areas.
For more information:
https://admhelp.microfocus.com/octane/en/15.0.60/Online/Content/UserGuide/articles_product_areas.htm
