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separation-of-concerns.md

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+# Separation of Concerns
+
+Separation of concerns is a design philosophy
+of eliminating unnecessary process coupling,
+or in other words preferring specialization.
+It is traditionally understood as a principle strictly of _software_ design,
+however its applications are universal.
+
+## As Process Optimization
+
+Suppose a small company has a single "administrative assistant"
+whose main functions include:
+
+1. writing the company newsletter, and
+2. onboarding new hires.
+
+Suppose this company doubles in size
+and these tasks can no longer be fulfilled by one employee.
+Separation of Concerns dictates that the role should be split by function.