This part of ISO 13399 defines the principles and methods for creating unambiguous identifications and definitions of the items and their properties relating to cutting tools in computer-sensible dictionaries to be used for reference by the information model defined in ISO 13399-1. It is applicable to: - the specification of data element types, their identifying, semantic and value attributes; - the specification of item classes, their identifying and semantic attributes; - the specification of feature classes, their identifying and semantic attributes. It is not applicable to: - information model for cutting tools; - classifications and definitions of items and data element types relating to cutting tools; - the association between properties and items in a classification. NOTE 1 The information model for cutting tools is defined in ISO 13399-1.NOTE 2 The classification of items relating to cutting tools, the definitions of items and data element types and the association of properties to items are defined in ISO 13399-2, ISO 13399-3, ISO 13399-4, ISO 13399-50 and ISO 13399-60.