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Milestones are installed to reassure travellers that the proper path is being followed and to indicate either distance traveled or the remaining distance to a destination.

Action Plan: A specific document describing various steps (including timeline, and responsibilities) to be performed during the implementation of business / process improvements

Within the framework of action plan, a “milestone” is the end of a stage that marks the completion of a step or phase. At this juncture, a review of outcome of activities may help to decide further course of action. In this sense, a "milestone" not only signifies distance traveled (key stages in an action plan) but also indicates direction of travel since key decisions made at milestones may alter the route through the action plan.

They are those part of action plan at which a review is essential to see the progress made and carryout the course correction according to whether we are ahead in execution of the action, behind the desired point and what needs to be done to correct the situation.

It is a stage which is measurable and / or crucial for effective execution of the action plan. On schedule achievement of a mile stone confirms all is well else one has to review and revise action plan or get paln B, plan C etc rolling.

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