Models have “business” level of abstraction when they do not refer to computer systems at all. Business Level models capture the essence of the business, thus providing full freedom in selecting the optimal IT solution.
TOGAF Business Architecture and MDA Computation-Independent Model can be cited as examples of models done and business level of abstraction.
The challenge of business-level modelling is to provide sufficient level of details without “contaminating” the model with system-specific details.
Business Context Model
Business Context Model captures the Customers, Suppliers, Regulators and other external parties that affect the functioning of the Enterprise, and shows their relation to the Enterprise.
Business Motivation Model
Business Motivation Model captures the executive thinking behind the project or enterprise.