Principle
The user experiences your boundaries, not your diagram
Architecture diagrams describe the system to its makers. Users encounter only the seams.
- 2025
A clean architecture diagram is a useful artifact for the people building a system. It is invisible to the people using it. What the user actually meets is the seams: the places where one system hands off to another, where state crosses a boundary, where authority changes hands.
Design the seams as carefully as you design the components.
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