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Writegenic AI
Writegenic AI

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Technical Design Specification vs Functional Specification

Defining the Scope of Each Document

A Functional Specification focuses on what the system should do, while a Technical Design Specification explains how it will do it.

When Technical Design Specification Is Required

Technical Design Specifications are essential when systems are complex, involve multiple teams, or require long-term maintenance.

How Both Documents Work Together

Functional specifications guide business logic, while technical design ensures feasibility and efficient implementation.

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