Final answer:
Milestones in project management are points in the schedule against which progress can be assessed. An example of a milestone could be the handover of the system to the test team.
Step-by-step explanation:
In project management, points in the schedule against which you can assess progress are often referred to as milestones. These are significant events or achievements that mark the completion of a phase or the accomplishment of a key deliverable. One example of a milestone could be the handover of the system to the test team. This represents a critical point in the project where the system is ready for the next phase of testing.