Context Diagram

Updated 06 Sep 2026

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What it is
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  a high-level diagram showing the system as a single process, surrounded by the external entities (terminators) it exchanges data with
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Purpose
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  establishes the system boundary — what's inside the system vs. outside it
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  identifies external entities and how they interact with the system
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  visualizes the system's main data flows
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  facilitates communication between developers, stakeholders, and non-technical users
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Related
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  Data Flow Diagram (DFD)
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  Event List

Linked references 3