1. In General, this is a major sub-objectives or stage for world performance monitoring and measuring. Typically part of the division of a program or project. 2. In Project management , this is a scheduled point, indicating that a major project deliverable is done. Milestones are measurable, observable progress markers or flags with no duration, being independent of time. As a point in time, they have no work or resource consumption associated with them.
Black’s Law Online Dictionary
