Architecting and designing : UML 2.5 : Model Elements : Structured Classifiers
  
Structured Classifiers
A Structured Classifier is a model artifact whose behavior can be completely or partially described through interactions between parts. According to the UML spec, there are numerous types of Structured Classifiers, including Class, Component, Node, and even dynamic elements such as Activity, State Machine, and Interaction.
See
Class
Activity
AssociationClass
FunctionBehavior
Interaction
OpaqueBehavior
State Machine
Stereotype
Device
ExecutionEnvironment
Collaboration
Component
Node
Protocol State Machine
See also
Association Node
CollaborationUse
Component
ConnectorNode
Connector Node (Invisible)
Classifiers
TemplateSignature
Comment
Connector Node
Constraints
Data Types
Dependency Nodes
InformationFlow Node
Instances
Ports
Property
Structured Classifiers
Part
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