Definition from IAI: A pre defined item is a qualified name given
to a style, font, etc., which is determined within the data exchange
specification by convention on using the Name attribute value (in
contrary to externally defined items, which are agreed by an external
source).
NOTE: The convention on using the Name value is
defined at the subtypes of IfcPreDefinedItem and is part of the
specification.
NOTE: Corresponding STEP name:
pre_defined_item. Please refer to ISO/IS 10303-41:1994, page 137 for the final
definition of the formal standard.
HISTORY: New entity in Release
IFC2x Edition 2.