Final answer:
The tasks that are and are not included in a project are defined by the project's scope. This outlines the project boundaries, and deliverables, and excludes tasks not part of the project's aim. Proper scope management is crucial for project success. The correct answer is d. scope.
Step-by-step explanation:
The definition of which tasks are and which tasks are not included in a project is called the project's scope. The scope outlines the boundaries of the project, detailing what will be delivered as part of the project's end product and which tasks, features, or functions are outside of the scope.
project scope management is vital for the successful completion of a project as it helps all stakeholders understand the deliverables and the work that needs to be done to achieve these deliverables. The correct answer is d. scope.