According to ITIL v3, what is the primary purpose of metrics?

The primary purpose of metrics, according to ITIL v3, is to measure activities for target fulfillment. Metrics are essential tools in IT service management that enable organizations to assess whether their actual performance aligns with predefined targets and objectives. By quantifying performance, metrics provide the data needed to evaluate processes and services against these targets, allowing for informed decision-making and continuous improvement.

Using metrics effectively supports the organization's ability to monitor results and progress, identify areas requiring improvement, and ensure that resources are being utilized efficiently to meet service level agreements and business goals. They give insights into operational efficiency, effectiveness, and compliance, which are critical for maintaining and enhancing service quality in IT settings.