Has Detail View
Specify if the List has a 'Detail View' - controls on the UX that are populated with values from the current row of data in the List. The DetailView can be used to display a single record view of the current record in the List. The DetailView can also be used to edit the data in the current row in the List.
Once the Has Detail View is checked, the Detail View pane will open.
These properties will help define the Detail View.
This feature is central to building disconnected applications, but should also be of great interest to developers of traditional desktop web application. For detailed information about this feature see Creating Disconnected Mobile Applications.