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?