Which term is used to describe a major deliverable that is used to measure project progress?

The term that describes a major deliverable used to measure project progress is a milestone. A milestone is a significant point or event in the project timeline that indicates the completion of a major phase or deliverable. It serves as a reference point that allows project managers and stakeholders to assess the current status of the project, ensuring that it is on track regarding time and performance. By marking key achievements, milestones help in monitoring progress and can highlight potential delays or issues early in the project lifecycle.

While other terms, such as tasks and deliverables, also relate to project management, they do not specifically denote these key checkpoints in the timeline that signify substantial accomplishments. Checkpoints are often used in some contexts but tend to refer to specific assessment moments rather than the broader, strategic measure that a milestone provides. Thus, the unique function of milestones in tracking and indicating progress makes this term the correct choice.