Architecting and designing : UML 2.5 : Model Elements : Connector Node
  
Connector Node
A Connector specifies links that enable communication between two or more instances. In contrast to Associations, which specify links between any instance of the associated Classifiers, Connectors specify links between instances playing the connected parts only.
A Connector Node is used to create a Connection between Properties. For instructions on how to do this, see Connector.
See also
Association Node
CollaborationUse
Component
ConnectorNode
Connector Node (Invisible)
Structured Classifiers
Classifiers
TemplateSignature
Comment
Constraints
Data Types
Dependency Nodes
InformationFlow Node
Instances
Ports
Property
Structured Classifiers
Part
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