Sat 13 February 2021

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Business Layer

Table 6: Business Layer Elements

Element	Description	Notation
Business actor	Represents a business entity that is capable of performing behavior.
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	Represents an aggregate of two or more business internal active structure elements that work together to perform collective behavior.
Business interface	Represents a point of access where a business service is made available to the environment.
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	Represents a collection of business behavior 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	Represents a unit of collective business behavior performed by (a collaboration of) two or more business actors, business roles, or business collaborations.
Business event	Represents an organizational state change.
Business service	Represents explicitly defined behavior that a business role, business actor, or business collaboration exposes to its environment.
Business object	Represents a concept used within a particular business domain.
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.
Representation	Represents a perceptible form of the information carried by a business object.
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.