Documentation and procurement data is categorized as information objects in the ISO 15926-14 ontology. The Product Documentation modelling pattern exemplifies the relations between physical objects and information objects.
The blue My Ball Valve is a product instance of type Ball Valve type DRT155X (An example of a manufacturer’s product type). The product type metadata type relationship to documentation, in the example a GA drawing. My Ball Valve is of type Ball Valve type DRT155X but will also have reference documents like calibration reports and in this example a EN 10204 Type 3.1 certificate.
My Ball Valve was procured on a purchase order. Relationships between the physical object and the purchase information is metadata managed with annotation properties, as for the relationship between physical objects and documents. Documents have a PCA RDL type, and documents may also be related to information objects, like a Purchase order.
Ball Valve type DRT155X is also described in modelling pattern Features.