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Business Layer Elements

Table of Business Layer Elements

Business Actor

A business actor represents a business entity that is capable of performing behavior.

Business Role

A business role represents the responsibility for performing specific behavior, to which an actor can be assigned, or the part an actor plays in a particular action or event.

Business Collaboration

A business collaboration represents an aggregate of two or more business internal active structure elements that work together to perform collective behavior.

Business Interface

A business interface represents a point of access where a business service is made available to the environment.

Business Process

A business process represents a sequence of business behaviors that achieves a specific result such as a defined set of products or business services.

Business Function

A business function represents a collection of business behaviors based on a chosen set of criteria (typically required business resources and/or competencies), closely aligned to an organization, but not necessarily explicitly governed by the organization.

Business Interaction

A business interaction represents a unit of collective business behavior performed by (a collaboration of) two or more business actors, business roles, or business collaborations.

Business Event

A business event represents an organizational state change.

Business Service

A business service represents explicitly defined behavior that a business role, business actor, or business collaboration exposes to its environment.

Business Object

A business object represents a concept used within a particular business domain.


A contract represents a formal or informal specification of an agreement between a provider and a consumer that specifies the rights and obligations associated with a product and establishes functional and non-functional parameters for interaction.


A representation represents a perceptible form of the information carried by a business object.


A product represents a coherent collection of services and/or passive structure elements, accompanied by a contract/set of agreements, which is offered as a whole to (internal or external) customers.