Viewing nodes associated with systems on SV-4 diagrams (ABM for DoDAF)
The systems corresponding to a function are shown on the System Function symbol on an SV-4 Data Flow diagram. You can specify whether to view or hide nodes on System Function symbols in the diagram.
1 Right-click a System Function symbol; then select Display Mode.
2 In the Display dialog box, to view nodes, select Node. To hide nodes, clear Node.
In the following image, System Function symbols on a diagram display node entities.