Each data source SAS
               Visual Analytics Designer (the designer) includes one or more data
               items that you can use in reports. For example, a data source named 
Order
                  Information might include standard data items
               such as 
Order ID, 
Product
                  ID, 
Unit Cost, 
Order
                  Date, and 
Order Amount.
               You decide which data items to use. You can select all of the data
               items in the data source or a subset of the data items.