An executive level summary schedule identifying the major components of a project, their sequence and duration's. The schedule can be in the form of a milestone schedule, or bar chart.

A schedule representing important events along the path to project completion. All milestones may not be equally significant. The most significant are termed `major milestones` and usually represent the completion of a group of activities.

Separate contractors contracting directly with the owner for specific and designated elements of the work.