The amount of time whereby a successor activity is required to be delayed with respect to a predecessor activity.

In the critical path method, the latest possible point in time when the uncompleted portions of a schedule activity can finish based on the schedule network logic, the project completion date, and any schedule constraints.

In the critical path method, the latest possible point in time when the uncompleted portions of a schedule activity can finish based on the schedule network logic, the project completion date, and any schedule constraints.

The amount of time whereby a successor activity can be advanced with respect to a predecessor activity.

The knowledge gained during a project which shows how project events were addressed or should be addressed in the future for the purpose of improving future performance.

An activity that does not produce definitive end products and is measured by the passage of time. The level of effort is one of three earned value management (EVM) types of activities used to measure work performance.

A dependency between two activities or between an activity and a milestone.