640bc943_IT_Service_Management_strategy__What_it_means
[Service catalog] Service Reviews [Who provides it] Business and ITSP Post mortem of previous service cycle performance against agreed criterion. Can identify opportunities for further cost savings, improvements and risk mitigation for the business. [What it means] 
Defines the structure for joint service reviews -- details will be part of the service-level agreement.
ITIL chief architect: How to build an IT Service Management strategy
What it means