What is features vs functional requirements?
Features and functional requirements refer to different aspects of a software system, and they serve different purposes in the software development process.
Features: A feature is a high-level product characteristic that describes a service, function, or design of a product that offers value to its users. Features are often used in the planning or marketing stages of a product to outline the overall functionality or capability that the product will contain.
For example, in a word processing software, “Spell Check” could be a feature, as it provides a distinct service or function within the software that offers value to the users.
Functional Requirements: Functional requirements, on the other hand, are more detailed and specific descriptions of the system behavior, outlining exactly how a particular feature should work. These are typically written from the perspective of the end user and describe individual functionalities that a software system must possess.
Using the same example, if “Spell Check” is a feature, a functional requirement might state, “The software must underline misspelled words in red as the user types” or “The software must provide suggested correct spellings when a word is right-clicked.”
In essence, features describe “what” a product does, while functional requirements detail “how” those features will operate to meet user expectations. Both are crucial in software development, with features providing the high-level view of the system’s capabilities and functional requirements breaking those down into detailed descriptions of the system’s behavior.
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