This part of ISO 10303 specifies the resource constructs for the representation of draughting information. The following are within the scope of this part of ISO 10303:- information regarding the definition, description, and administration of a drawing and the sheets of a drawing;- elementary draughting annotations and their aggregation with more general annotations for the depiction of facts and requirements concerning the product or interpretation of a drawing;- draughting annotations used in the depiction of dimensions, tolerances, and related dimension-measurement information.The following are outside the scope of this part of ISO 10303:- management information such as changes that create drawing versions, approvals, contracts under which draughting work is done, security classification, persons responsible, and the roles of responsibility of these persons, provided in ISO 10303-41;- views and the viewing mechanism for depiction of the shape, provided in ISO 10303-46;- styled generic annotations (i.e., curves, symbols, text and sectioning (crosshatching)), provided in ISO 10303-46;- coordinate systems for the location of annotations, and their relationships, provided in ISO 10303-42 and ISO 10303-43.