Interactive Model Graphic 
With the model configurator you can select and configure the process component interaction models you have selected one after the other. The configuration settings that are generated are grouped in the same configuration scenario.
The selected process component interaction model is displayed as an interactive graphic.
Process components are displayed as vertical columns External process components are displayed with a partner icon (
).Operations of service interfaces are displayed as squares
Connections for the message exchange are displayed as arrows
When you click an element in the interactive graphic, an editor is opened in which you can make the necessary assignments.
In the graphical editor, select the SAP process component interaction model that you want to configure from the Process Component Interaction Model dropdown list box.
Recommendation
To display all available SAP Process Component Interaction Models (that belong to the SAP Integration Scenario Model) in a preview, choose Select Process Component Interaction Model.