Here is the process flow diagram of ITIL version 3.
The process flow diagrams contains all the five phases of ITIL life cycle:
Service Design
Service Strategy
Service Operation
Service Transition
Continual Service Improvement
From the diagram one can understand how the process is initiated, and how it is operated and how it is terminated. The interdependence of all the modules and how they benefit is clearly shown.
Source: OGC
