client requirements definition
What the client / sponsor wants from the project and often a contractual obligation. Usually contains the following headings:
1. Objectives - why do it2. Scope - project boundaries3. Deliverables - what it will provide4. Constraints - conditions against the project; often in terms of time and of cost 5. Dependant / driver projects - other related projects or parts of projects 6. Assumptions - listed unknowns about the project
Also referred to as a CRD or Terms of Reference (TOR).
'SOURCE; microsoft project glossary-projectlearning.net