Use Case Diagram - Actor Notation

This section describes the Actor Notation used in a UML Use Case Diagram. An Actor Notation presents a role played by a user or any other object that are involved with the use case.

An Actor Notation is a graphical notation used in a UML Use Case Diagram to represent a role played by a user or any other object that are involved with the use case.

An Actor Notation is usually drawn as a "stick man" icon with the name placed below. But other customized icons can also be used. For example, the "User" and "Computer" actors can be drawn as Actor Notations in a UML use case diagram as shown below:
UML Notation Shape - Actor

Last update: 2014.

Table of Contents

 About This UML Tutorial Book

 Introduction of UML (Unified Model Language)

 UML Class Diagram and Notations

 UML Activity Diagram and Notations

 UML Sequence Diagram and Notations

 UML State Machine Diagram and Notations

UML Use Case Diagram and Notations

 What Is a Use Case Diagram?

 Use Case Diagram - Use Case Notation

Use Case Diagram - Actor Notation

 Use Case Diagram - Association Notation

 Use Case Diagram - Extend Notation

 Use Case Diagram - Include Notation

 MS Visio 2010 - UML Drawing Tool

 References

 PDF Printing Version