This document assumes that basic concepts of OPC UA information modelling and OPC 40501-1 are understood. This document will use these concepts to describe the OPC UA for GMS Information Model. For the purposes of this document, the terms and definitions are given in OPC 10000-1, OPC 10000-3, OPC 10000-4, OPC 10000-5, OPC 10000-7, OPC 10000-100, as well as the following apply.

The terminology used in this specification considers the definitions according to The International Vocabulary of Metrology (VIM) [JCGM 200].

Note that OPC UA terms and terms defined in this document are italicized in the document.