Start Level 1 Node: Commands for Planning ApplicationsCommands for Planning ApplicationsEnd Level 1 Node: Commands for Planning Applications
   Start Level 2 Node: Refresh DataRefresh DataEnd Level 2 Node: Refresh Data
   Start Level 2 Node: Save Changed DataSave Changed DataEnd Level 2 Node: Save Changed Data
   Start Level 2 Node: Reset Changed DataReset Changed DataEnd Level 2 Node: Reset Changed Data
   Start Level 2 Node: Set Data Entry ModeSet Data Entry ModeEnd Level 2 Node: Set Data Entry Mode
   Start Level 2 Node: Execute a Planning Function (Simple)Execute a Planning Function (Simple)End Level 2 Node: Execute a Planning Function (Simple)
   Start Level 2 Node: Execute Planning FunctionExecute Planning FunctionEnd Level 2 Node: Execute Planning Function
   Start Level 2 Node: Execute a Planning Sequence (Simple)Execute a Planning Sequence (Simple)End Level 2 Node: Execute a Planning Sequence (Simple)
   Start Level 2 Node: Sources for Characteristic Selection and VariablesSources for Characteristic Selection and VariablesEnd Level 2 Node: Sources for Characteristic Selection and Variables