Design defines how a system or product will meet its requirements.
It translates needs and requirements into a planned solution. For example, it may define components, interfaces, data structures, processes, and technologies.
First, teams analyse the requirements. Next, they develop and compare possible solutions. Then, they document the selected structure and its key decisions. Therefore, developers can implement the solution consistently.
Design differs from requirements. Requirements describe what the system must achieve. In contrast, the solution description explains how the system will achieve it.
The level of detail may range from a high-level architecture to detailed component specifications. Moreover, teams should trace important decisions back to relevant requirements and constraints.
A clear design supports implementation, testing, maintenance, and informed technical decisions.
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