In ITIL 4, guiding principles are defined as recommendations that guide an organization in all circumstances, regardless of changes in goals, strategies, work type, or management structure. They are explicitly intended to support decision-making and actions at all levels of the organization.
The guiding principles help people decide:
How to approach work
How to prioritize activities
How to respond to challenges or opportunities
How to adapt service management practices to the organization’s context
The other options are important ITIL concepts, but they do not primarily exist to guide decisions in every situation:
Four dimensions of service management give a holistic view of what must be considered, but do not themselves provide decision rules.
Service value chain describes core activities that create value, not a decision framework.
Practices describe how specific types of work are organized, not general decision guidance.
Therefore, the ITIL concept that helps an organization make good decisions in all circumstances is the guiding principles.
