Architecting and designing : UML 2.5 : Relationships : Collaboration Property to Part
  
Collaboration Property to Part
The Collaboration Property to Part relationship line is drawn from a Collaboration to Classifiers that make up the Collaboration.
This graphic is described in the surrounding text.
See also
Association
Dependency
Realization
Component Provides (Realizes) Interface
Component Requires (Uses) Interface
Port Provides (Realizes) Interface
Port Requires (Uses) Interface
Comment to AnnotatedElement
Constraint to ConstrainedElement
Connector
ElementGroup to Element
Instance Specification Relationships
Generalization
Package Containment
Package Import
Substitution
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Relationships