ITIL 4 introduces a modern, flexible framework for IT service management that aligns IT services with business goals. To truly understand ITIL 4, especially for professionals pursuing ITIL 4 Certification or enrolling in an ITIL 4 Course, it’s essential to be familiar with the key terminology that underpins the framework. These terms not only appear in exams but are also widely used in real-world ITSM practices, including ITIL Application Management.