This Recommendation provides a glossary of terms and definitions which have been studied for application in the documentation of intelligent networks. These terms will also be incorporated in Recommendation Q.9, Vocabulary of Switching and Signalling Terms. TMN management systems terminology needs to be harmonized with IN terms and is not included in this version of this Recommendation. The text in this Recommendation is considered to be stable. Companion Recommendations include the Q.1200 series of Recommendations.