Question: A software system model may be represented as a directed graph where nodes are the entities in the model and arcs are the relationships between

A software system model may be represented as a directed graph where nodes are the entities in the model and arcs are the relationships between these entities. Entities and relationships in the model may be labelled with a name and other information. Each entity in the model is typed and may be exploded into a sub-model. Draw a data model that describes the structure of a software system model.

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