Developing business outcomes and functional requirements

Functional requirements in software engineering specify the precise actions or features of a software system. Along with providing requirements for inputs, processes, outputs, and data, they also outline what the system should be able to achieve.

The following are sub-categories of functional requirements:

• Data input and output: This describes the kind and format of data that the system should accept as input, as well as the format that the system’s output should be in.
• External interfaces: This describes how to interact or communicate with external systems.
• Security: This describes any security requirements for the application, such as data encryption and user access controls.
• Error handling: This describes how the system should handle errors and which error messages should be displayed.
• Data storage and retrieval: Since they serve as the foundation for the system’s design, testing, and...