ISO/TS 10303-1309:2018-11 specifies the application module for
Drawing definition.

The following are within the scope of
ISO/TS 10303-1309:2018-11:

• items within the scope of integrated application resources "Draughting", ISO 10303-101,
  for the drawing definition schema;
• items within the scope of application module Draughting annotation, ISO/TS 10303-1206;
• items within the scope of application module Presentation hierarchy, ISO/TS 10303-1330.