Functional Specification (FS) Meaning

What Does Functional Specification (FS) Mean?

A functional specification (FS) is an official document that outlines all the features and specifications of a specific software product. It’s a crucial document created by a manager or lead developer during the requirements phase of the software development process. The functional specification needs to include sufficient detail for the developers to start designing the project and then move on to coding.

A functional specification is sometimes called a functional design specification.

Explains the Functional Specification

A functional specification is like writing a manual for a product before it’s even created. It outlines what the finished program will do. This document includes descriptions of user tasks, comparisons with other products, any connections to outside systems, and all the hardware, software, and operating systems it will work with.

Here’s what a functional specification should focus on:

  1. Clearly define all the functions the software will perform and any limitations on how those functions can be carried out. These limitations might be because of the task’s nature or specific project requirements.
  2. Avoid describing any technical details or how the software will be built. Those details come later in the design phase.

Several other documents and plans are based on the functional specification, including:

  • Design documents created by the development team
  • Test plans and cases for the Quality Assurance team
  • User manuals

The functional specification will likely change as the software is developed. Some details, like specific screen layouts for an interactive program, might not be known at the beginning of the project.

FAQs

What does FS mean in text?

In texting, FS usually stands for “for sure.” It’s commonly used on Instagram, TikTok, and other platforms to agree with someone, confirm information, or emphasize a point.

What does FS stand for on Snapchat?

On Snapchat, FS can have two meanings: “For Sure” or “For Sale.” “For Sure” is the more common usage, indicating agreement, confirmation, or emphasis.

What is the meaning of FS in IT?

In IT, FS stands for Functional Specification. It’s a formal document that outlines all the features and specifications of a software product. This document is crucial during the requirements phase of software development and is typically created by a manager or lead developer.

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