ISO 10303-214:2010(E)
A Drawing is the presentation of product data in a human interpretable form wherein the physical and functional requirements for that product data are presented by pictures or text.
The data associated with a Drawing are the following:
The drawing_id specifies the identifier of a particular Drawing. The drawing_id shall be unique within the scope of the object, to which the Drawing is associated to.
The drawing_revision_id specifies the identifier of the revision of the drawing.
The drawing_specification specifies the identification of standards that the drawing conforms to. These standards specify the rationale of presentation used in the drawing.
EXAMPLE A drawing_specification could be 'ISO 129' [3].
There may be more than zero drawing_specification for a Drawing.
The drawing_type specifies the category of the Drawing and may indicate the information content.
EXAMPLE A drawing_type could be 'assembly drawing', 'casting drawing', or 'piping diagram'.
The language specifies the languages that are used for textual information on the Drawing.
There may be more than zero language for a Drawing.
The title specifies the description of the content or of the subject matter of the Drawing.
EXAMPLE 'fender' and 'assembly of engine' are examples for title.
See drawing to multi_language_string for the application assertion.
The title need not be specified for a particular Drawing.
If present, there shall be exactly one object that defines the title for a Drawing.
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