Mapping presentable objects. For each domain-specific class C whose individuals need to have independent representations
in the created content, create a separate PO-C class and specify it as a super-class of C. Specify DPs and
OPs that are inherent to (determine the meaning of) the POs of the PO-C class. Use the structural descriptor pattern to
link the POs with DIs (concrete components of the CrR) using concrete OPs (Fig. 1cI), e.g., incorporating sub-objects,
indicating materials, animations, etc. Use the multivalued
descriptor pattern to assign the required concrete DPs, e.g.,
colours, coordinates, dimensions, etc. In such a way, every domain-specific individual of C, which will be created in
Step 3, will be described by all concrete properties assigned to the PO-C.