Start Level 1 Node: Working with Screen AreasWorking with Screen AreasEnd Level 1 Node: Working with Screen Areas
   Start Level 2 Node: ValidityValidityEnd Level 2 Node: Validity
      Start Level 3 Node: Validity of Objects and AssignmentsValidity of Objects and AssignmentsEnd Level 3 Node: Validity of Objects and Assignments
         Start Level 4 Node: Selecting a Date and Preview PeriodSelecting a Date and Preview PeriodEnd Level 4 Node: Selecting a Date and Preview Period
         Start Level 4 Node: Activating/Deactivating Query Time PeriodActivating/Deactivating Query Time PeriodEnd Level 4 Node: Activating/Deactivating Query Time Period
      Start Level 3 Node: Validity of Object CharacteristicsValidity of Object CharacteristicsEnd Level 3 Node: Validity of Object Characteristics
   Start Level 2 Node: Object ManagerObject ManagerEnd Level 2 Node: Object Manager
   Start Level 2 Node: Finding/Selecting ObjectsFinding/Selecting ObjectsEnd Level 2 Node: Finding/Selecting Objects
      Start Level 3 Node: Using Search ToolsUsing Search ToolsEnd Level 3 Node: Using Search Tools
      Start Level 3 Node: Using Search VariantsUsing Search VariantsEnd Level 3 Node: Using Search Variants
   Start Level 2 Node: Displaying/Editing ObjectsDisplaying/Editing ObjectsEnd Level 2 Node: Displaying/Editing Objects
   Start Level 2 Node: Creating ObjectsCreating ObjectsEnd Level 2 Node: Creating Objects
      Start Level 3 Node: Copying ObjectsCopying ObjectsEnd Level 3 Node: Copying Objects
   Start Level 2 Node: Assigning/Moving/Repositioning ObjectsAssigning/Moving/Repositioning ObjectsEnd Level 2 Node: Assigning/Moving/Repositioning Objects
   Start Level 2 Node: Terminating/Deleting Objects or AssignmentsTerminating/Deleting Objects or AssignmentsEnd Level 2 Node: Terminating/Deleting Objects or Assignments
   Start Level 2 Node: Undoing/Recreating ChangesUndoing/Recreating ChangesEnd Level 2 Node: Undoing/Recreating Changes
   Start Level 2 Node: Confirmation PromptConfirmation PromptEnd Level 2 Node: Confirmation Prompt
   Start Level 2 Node: Configuring ColumnsConfiguring ColumnsEnd Level 2 Node: Configuring Columns
   Start Level 2 Node: Switching Maintenance InterfacesSwitching Maintenance InterfacesEnd Level 2 Node: Switching Maintenance Interfaces