project management glossary

cybernetics

 The study of man-machine relationships to optimize output performance. Generally given inadequate attention on projects. See also Method Study.

cycle

 One complete pass through the four phases: inception, elaboration, construction and transition. The span of time between the beginning of the inception phase and the end of the transition phase. Also known as Project Life Cycle PLCP or Project Life Span (PLS).

cycle time

 The time it takes to create a deliverable — includes staff effort time and time spent on other projects or processes.