Start Level 1 Node: Variant MaintenanceVariant MaintenanceEnd Level 1 Node: Variant Maintenance
   Start Level 2 Node: Variants: OverviewVariants: OverviewEnd Level 2 Node: Variants: Overview
      Start Level 3 Node: Initial ScreenInitial ScreenEnd Level 3 Node: Initial Screen
   Start Level 2 Node: Displaying a List of all VariantsDisplaying a List of all VariantsEnd Level 2 Node: Displaying a List of all Variants
   Start Level 2 Node: Creating and Maintaining VariantsCreating and Maintaining VariantsEnd Level 2 Node: Creating and Maintaining Variants
      Start Level 3 Node: Creating VariantsCreating VariantsEnd Level 3 Node: Creating Variants
      Start Level 3 Node: Variant AttributesVariant AttributesEnd Level 3 Node: Variant Attributes
      Start Level 3 Node: Changing VariantsChanging VariantsEnd Level 3 Node: Changing Variants
      Start Level 3 Node: Deleting VariantsDeleting VariantsEnd Level 3 Node: Deleting Variants
      Start Level 3 Node: Printing VariantsPrinting VariantsEnd Level 3 Node: Printing Variants
   Start Level 2 Node: Variable Values in VariantsVariable Values in VariantsEnd Level 2 Node: Variable Values in Variants
      Start Level 3 Node: Using Variables for Date CalculationsUsing Variables for Date CalculationsEnd Level 3 Node: Using Variables for Date Calculations
      Start Level 3 Node: User-specific Selection VariablesUser-specific Selection VariablesEnd Level 3 Node: User-specific Selection Variables
         Start Level 4 Node: Creating User-Specific VariablesCreating User-Specific VariablesEnd Level 4 Node: Creating User-Specific Variables
         Start Level 4 Node: Changing Values InteractivelyChanging Values InteractivelyEnd Level 4 Node: Changing Values Interactively
         Start Level 4 Node: Changing Values from a ProgramChanging Values from a ProgramEnd Level 4 Node: Changing Values from a Program
      Start Level 3 Node: Fixed Values from Table TVARVCFixed Values from Table TVARVCEnd Level 3 Node: Fixed Values from Table TVARVC
         Start Level 4 Node: Creating Table Variables from TVARVCCreating Table Variables from TVARVCEnd Level 4 Node: Creating Table Variables from TVARVC
         Start Level 4 Node: Maintaining Entries in Table TVARVCMaintaining Entries in Table TVARVCEnd Level 4 Node: Maintaining Entries in Table TVARVC
   Start Level 2 Node: Executing Programs with VariantsExecuting Programs with VariantsEnd Level 2 Node: Executing Programs with Variants