A project milestone is defined as a way to observe, measure, and monitor the progress of a project. Milestones are in general an intermediate stage that one must fulfill before reaching a final goal or pre-decided objective. If you are trying to simply understand a milestone, you can say that it is a concept that provides a foundation from which you can monitor progress.
You may see it as a basis that serves as proof for explaining and reporting the status of a project. Some of the key characteristics of milestones include:
Milestone is a step that can be used to maintain accountability and motivate staff for future growth.
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