Appendix B Glossary
Activity A unit of work performed during a project. An activity usually has a duration, a cost, and resource requirements. Also called a task.
Activity estimate sheet A form used to gather information needed to estimate a project activity.
Activity-on-node A diagramming method that shows the activities in a node (box) with arrows showing the dependencies. Also called precedence diagramming method.
Actual cost (AC) The cost incurred to complete the work that was actually performed in a given time period. Also called actual cost of work performed (ACWP).
Alternative course of action review A review to identify other things that could be done to solve the problem or take advantage of the opportunity instead of the approach being ...