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I'm writing some documentation in a project in a tool. In this tool of mine, and write in specific area, I have here use Case, Business Rule, N-Diagram Types, and Functionality and Functional Requirements.

So I got me wondering, Are there differences between Functionality and Functional Requirements?

In my vision, a Functionality a implementation of a Functional Requirement, is it correct? What other differences one can find between them?

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As far as I know, Functionality and Functional Requirement are synonyms in this context. – Philipp Jan 9 at 19:42

2 Answers

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Functionality is what a program does.

Functional requirements are what you want the program to do.

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They are closely related, the functionality of a program should match the functional requirements.

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