Requirements traceability matrix - A table that tracks requirements through the project life cycle and product testing. It is used to ensure that a project is able to deliver the stipulated requirements during the verification process.
Requirements - A set of stipulations regarding project deliverables. They are a key element of the project scope and explain in detail the stakeholders’ expectations for a project.
Residual risk - Any risks that have not or cannot be addressed by risk mitigation or risk avoidance procedures.
