MicrosoftВ® Office Project 2007 Step by Step (Step By Step (Microsoft))

A delay between tasks that have a task relationship. For example, lag time causes the successor task in a finish-to-start relationship to begin some time after its predecessor task concludes.

An overlap between tasks that have a task relationship. For example, lead time causes the successor task in a finish-to-start relationship to begin before its predecessor task concludes. In the Project interface, you enter lead time as negative lag time.

A manager of a group of resources; also called a functional manager. A line manager might also have project management skills and responsibilities, depending on the organization’s structure.

A logical relationship between tasks that controls sequence and dependency. In the Gantt Chart and Network Diagram views, links appear as lines between tasks.