To set clear business-based targets for service performance, so that the delivery of a service can be properly assessed, monitored, and managed against these targets.

https://www.bmc.com/blogs/itil-management-practices/

Effective incident management often requires a high level of collaboration within and between teams as this can facilitate information-sharing and learning, as well as helping to solve the incident more efficiently and effectively. There may also be a need for good collaboration tools so that people working on an incident can work together effectively. One technique that takes advantage of collaboration is termed  swarming . This brings many different stakeholders together to work on the issue. Management of incidents may require frequent interaction with third party suppliers, and routine management of this aspect of supplier contracts is often part of the incident management practice.

https://www.bmc.com/blogs/itil-incident-management/

The ITIL continual improvement model, which provides organizations with a structured approach to implementing improvements

https://www.bmc.com/blogs/itil-continual-improvement/

Individual metrics without a specified service context are unhelpful.  They should relate to defined outcomes and not simply operational metrics . This can be achieved with balanced bundles of metrics, such as customer satisfaction and key business outcomes.

https://www.bmc.com/blogs/itil-service-level-management/#:~:text=Service%20Level%20Agreements%20(SLAs) & text=Individual%20metrics%20without%20a%20specified,satisfaction%20and%20key%20business%20outcomes .

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A change  is defined as the addition, modification, or removal of anything that could have a direct or indirect effect on services

https://www.bmc.com/blogs/itil-change-enablement/#:~:text=A%20change%20is%20defined%20as,or%20indirect%20effect%20on%20services.