contingency plan(A plan for addressing recognized risks that may arise during the course of a project. The plan identifies alternative strategies to be used to ensure project success if specified risk events occur)
test case(A specification that describes the goals of a test, the results that the test might produce, the circumstances in which it will be run, and how it should be implemented)
need-to-know basis(when referring to the disclosure of information, a principle to disclose the information only to those directly concerned and impacted by it Taras)