The external entity on a DFD generally corresponds to the primary actor on the use case.

Name: The external entity on a DFD generally corresponds to the primary actor on the use case.
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Quizplus · Accepted Answer

An external entity on a DFD represents an entity that is outside the system being modeled but interacts with it, and it usually corresponds to the primary actor on the use case. Therefore, the statement is true.

The External Entity on a DFD Generally Corresponds to the Primary