The information in the model is what I call the DNA of the model. It is Datum information which provides the framework for the model components. It is Annotation information which transforms a simple model into a set of Construction Documents. It is Analytical Information which communicates with 2nd party analytical software. It is phasing, scheduling, coordination and revision information stored in the model file.
The information found in the model component can also include the manufacturer's data such as the name of the manufacturer, model number, size, material, and much more. Of course this is only true of models (families) that the manufacturer builds for the design team.