The HasArgumentDescription ReferenceTypeis a concrete ReferenceTypethat is a subtype of the HasComponent ReferenceType.

The semantic of the HasArgumentDescription ReferenceType– extends the semantic of the HasComponent ReferenceTypeto reference argument Metadata of a Method NodeClass.

The SourceNode of this ReferenceTypeshall be a Methodand the TargetNodeof this ReferenceTypeshall be a Variable.