Refer to the exhibit.
A business analyst is testing an existing app that returns unexpected results.
✑ Using the selection tool, the business analyst observes the following behavior.
✑ Select a CompanyName and the associated OrderID records are white
✑ Select a Year and all OrderID records are gray
✑ Select an OrderID and the Quarter values are all gray, but the CompanyNames are white
✑ Select a ProductID and the associated ShipperName and OrderDates are white, but the Year is gray
What is causing these results?