▪ Separation of concerns(SOC) is one of the core software design principle

▪ Separation of concerns is a design principle for separating a computer program into distinct sections

▪ Isolate the software application into separate sections, manages complexity by partitioning the

software system

▪ Distinguish between the concepts of layer and tiers with certain responsibilities.

▪ Elements in the software should be unique

▪ Limits to allocate responsibilities

▪ Low-coupling, high-cohesion

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