It may have the following characteristics:
-Introduction –general description of software and its use within the scope of the customer business;
-Requirements description:
- Functionality – established needs to be satisfied by the software when it is used in specific conditions. Functionality must be adequate, accurate and safe.
- User interface – definition of those user interface characteristics that allow to understand and learn the software easily so the user be able to perform his/her tasks efficiently including the interface exemplar description;
- External interfaces – definition of interfaces with other software or hardware; Each requirement is identified, unique and it is verifiable or can be assessed. |