To display a Track Back Report, right-click on a column in the middle pane and select Impact > Track Back Report.
The report will be displayed in the bottom middle pane. This report lists the origins of the selected column. Refer to Track Back Report for details.
To display a Track Forward Report, right-click on a column in the middle pane and select Impact > Track Forward Report.
The report will be displayed in the bottom middle pane. This report lists the columns derived from the selected column. Refer to Track Forward Report for details.