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Mapping for the Internal Block Diagram (IBD)

In this variant of a component wiring diagram, the parts are shown as nodes on the diagram. In addition to the part name, the part role is indicated at the top of the node. Parts that are connected but beyond the bounds of the diagram are shown as boxes on the diagram frame. Lines connecting to a node can reflect either the logical connections (interfaces) between parts or, more classically, the physical connections (links) between parts. As with traditional block diagrams, the connections are labeled with the name of the element and optionally with the items carried by the connection (delimited by braces).

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