As a result of the discussions described in this section, the information model may well change in content.
Figure 2.11 shows one iteration in the creation of an information model for a retail business.
An exchange data interface provides a bridge between the tool and the information model to do this.
All relevant objects of an enterprise, their qualities and relations are shown in the "information model".
Reference architecture is the basis from which information model, especially product and manufacturing models.
It does not provide an information model, record model or document structure.
This is a space efficient and unambiguous way to represent an information model.
There may be many mappings of the information model.
Since then, languages for information models have continued to evolve.
In practice, it may require more than one language to develop all information models when an application is complex.