Testers need to make sure that they are taking care of all types of requirements. By all types of requirements, it means direct (explicit), indirect (implicit), and latent (extra) requirements.
Let throw some light on the types of requirements and their details:
1. The explicit requirements noted down(Direct requirements): This kind of requirement is noted down directly from the client discussion and converted into the document of understanding. These are generally shared with the team working on the project, and the designs, wireframes and scenarios are made based on the provided details.
2. The implicit requirements(Indirect but obvious requirements): This kind of requirement is generally not provided in the documents, but are obvious requirements expected by the client. These requirements can be related to the security of the application, performance of the application, usability of the application, and availability of the application. Say for instance, there is data to be entered for a firm using the fields ‘Employee Name’, ‘Employee ID’, etc.