Business case An analysis of the benefits and costs of making a change to the way things are done.
Change control A process for managing requests for change in an auditable way, to ensure that only appropriate changes to the project are undertaken once it has received approval. Also ensures that where changes are authorised, appropriate additional resources are allocated.
Contingency An amount of time, budget or functionality incorporated in the plan beyond the project team’s best estimate of what is needed, to allow for the adverse impact of risks.
Contingency plan A plan developed to mitigate the outcome of a risk, once the risk has materialised.
Controls Controls set out how you propose to stick ...