Which of the following documents is a narrative description of products or services to be...

A statement of work (SOW) is a document that captures and defines the work activities, deliverables and timeline that a vendor will execute against in performance of work for a customer. Detailed requirements and pricing are usually specified in it, along with many other terms and conditions. SOW is a narrative description of products or services to be supplied by the project. For internal projects, the project initiator or sponsor provides the statement of work based on business needs, product, or service requirements. For external projects, the statement of work can be received from the customer as part of a bid document.

Answer option A is incorrect. Scope of statement gives the narrative description of the project scope.

Answer option B is incorrect. Project charter is a document that formally authorizes a project manager to work on a project.

Answer option D is incorrect. WBS is a tool that defines a project and groups the project discrete work in a way that helps organize and define the total work scope.