A Life Cycle (or Lifecycle) is a series of changes in the life of an organism or a things including reproduction that changes or grows through from the beginning of the life until death including reproduction: birth, growth, maturity, decay, and death of living organisms, or conception, design, deployment, acquisition, operation, maintenance, decommissioning, and disposal for the goods or services. (Refer to the Project Life Cycle (or Project Management Life Cycle))
Related Definitions in the Project: The Project Management; Engineering; Operation and Maintenance