상황
A top-level IDEF0 (A-0) context diagram for a restaurant's food service operations, depicting the system boundary and its interactions with external entities.
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01
Modeled as a single function box A0
02Used canonical ICOM arrows
input left, control top, output right, mechanism bottom
03
Kept labels concise for clarity
When needing a high-level overview of a system's purpose, inputs, outputs, controls, and mechanisms, suitable for business process or systems engineering contexts.