ITIL Glossary

ITIL Terminology - T to W

Technical Management

The function responsible for providing technical skills in support of IT services and management of the IT infrastructure. Technical management defines the roles of support groups, as well as the tools, processes, and procedures required.

Technical Observation (TO)

A technique used in service improvement, problem investigation and availability management. Technical support staff meet to monitor the behavior and performance of an IT service and make recommendations for improvement

Trend Analysis

Analysis of data to identify time-related patterns. Trend analysis is used in problem management to identify common failures or fragile configuration items, and in capacity management as a modeling tool to predict future behavior. It is also used as a management tool for identifying deficiencies in IT service management processes.

ITIL Terminology - L to O


The various stages in the life of an IT service, configuration item, incident, problem, change, etc. The lifecycle defines the categories for status and the status transitions that are permitted. For example:

  • The lifecycle of an application includes requirements, design, build, deploy, operate, optimize
  • The expanded incident lifecycle includes detection, diagnosis, repair, recovery and restoration
  • The lifecycle of a server may include: ordered, received, in a test, live, disposed of, etc.

Line of Service (LOS)

A core service or service package that has multiple service options. A line of service is managed by a service owner, and each service option is designed to support a particular market segment.

ITIL - Terminology

The ITIL terminology offers you with definitions for the most important terms and acronyms on the IT Infrastructure Library ITIL. Names of processes, roles and ITIL inputs/ outputs which can be particular to a selected model of ITIL are labeled accordingly.

Why Terminology?

A common problem of terminology work is that the significance and indeed the very nature of language is poorly understood. Thus many individuals merely don't know in any respect of what it's, whereas others, looking for an evidence of some kind. 

Terminology is a many-faceted subject being, relying on the attitude from which it's approached and the affiliations of the individual discussing it:

Syndicate content