The Cube Facts page is used to specify the cube facts list and hierarchy. A fact dimension can be set either locally or as a source cube fact dimension.
Select the Define List Of Facts and Their Hierarchy Locally for Cube checkbox.
Add elements using the Add Element/ Add Element buttons in the web application or the Add Element button in the desktop application.
If the Define List of Facts and Their Hierarchy Locally for Cube checkbox is deselected, fact dimension of the source cube is used as a fact dimension.