Business Layer Requirement

Business Layer Relationships (Continued)

This is the last of three articles concentrating on the relationships associated with each of the elements in the Business Concept library. Certain relationships apply to each concept and should be understood by EA practitioners. The relationships were stated in the previous articles; this article expands on those aspects.

Business Informational Concepts


A logical view of a Business Object. A single business object can have a number of different representations.

  • a. can realize one or more specific business objects
  • b. may realize one or more business objects,
  • c. can be associated with a meaning that it represents.

Diagram for Representation


Intellectual background of a Business Object or its Representation. A meaning can be associated with a representation that carries this meaning.

Diagram for 'meaning'


The perceived worth, importance or utility of a product. A value can be associated with business services and, indirectly, with the products they are part of, and the roles or actors that use them.

Diagram for value


A set of services that is marketed and sold to customers. A product may aggregate business services or application services, as well as a contract. A value may be associated with a product.

Diagram for Product


The organ legally establishing an agreement between the business and the customer. A contract is a specialization of a business object.

Diagram for Contract

The relationships that apply to a business object also apply to a contract.

Contracts may be accessed by a business process, function, a business interaction, a business event, or a business service.

Contracts may have association, specialization, aggregation, or composition relationships with other Contracts.

A contract may have an aggregation relationship with a product.

Next time…

Next week’s article begins a series focused on the Application Layer Concepts.

This blog includes extracts of the ArchiMate 2.0 Specification, Copyright © 2009-2012 The Open Group. ArchiMate® is a registered trademark of The Open Group. For the original material please refer to this page.

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Steve is a leading practitioner lecturer, educator, and trainer in Enterprise Architecture (EA), with a number of roles in the global strategic transformation community. The Founder and CEO of EA Principals. Steve is one of the leading 10 TOGAF trainers in the world, having trained about 1750 people himself. He is author of the book, “Organization Theory and Transformation of Large, Complex Organizations." Steve designed ArchiMate 2.0 Certification and TOGAF Certification e-learning in conjunction with Good e-Learning and trains groups around the world.