In the CMMI Product Suite, a useful result of a process. This can include files, documents, products, parts of a product, services, process descriptions, specifications, and invoices. A key distinction between a work product and a product
component is that a work product is not necessarily part of the product. (See also "product" and "product component.")
In CMMI models, you will see the phrase work products and services. Even though the definition of work product includes services, this phrase is used to emphasize the inclusion of services in the discussion.