This part of ISO 10303 specifies the interpretation of the integrated resources to satisfy requirements for the definition of annotation that presents dimensions and draughting callouts within a draughting application.

The following are within the scope of this part of ISO 10303:

• the structures for representing single or composite dimensions;
• the structures for representing structured or unstructured dimensions;
• the structures for representing draughting callouts that may be directed by means of leaders, projection curves, or dimension curves.

The following is outside the scope of this part of ISO 10303:

• annotation that is not used in the presentation a dimension or draughting callout.