UML Activity Diagram

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How To draw UML Activity Diagrams

UML Activity Diagram illustrates the business and operational step-by-step workflows of components in a system and shows the overall flow of control.

Activity diagrams are constructed from a limited number of shapes, connected with arrows. The most important shape types:

  • rounded rectangles - represent activities;
  • diamonds - represent decisions;
  • bars - represent the start (split) or end (join) of concurrent activities;
  • a black circle - represents the start (initial state) of the workflow;
  • an encircled black circle - represents the end (final state).
Arrows run from the start towards the end and represent the order in which activities happen.

ConceptDraw has 393 vector stencils in the 13 libraries that will help you to start using software for designing your own UML Diagrams.

You can use the appropriate stencils of UML notation from UML Activity library with 37 objects.

The example "Design elements - UML activity diagrams" is included in the Rapid UML solution from the Software Development area of ConceptDraw Solution Park.

Symbols for create UML activity diagram

Example 1. Symbols for create UML activity diagram

Quick and easy designing the UML Activity diagrams of any complexity. Simply drag the needed objects to the document and arrange them to make a desired activity diagram.

In the case of using the offered template or sample, you need to choose the most suitable for you from the set and change it according to your needs to accomplish UML diagram.

Sample 2. Create UML activity diagram

ConceptDraw Rapid UML solution from the Software Development Area provides UML Activity Diagram samples, templates and library of vector stencils.

Use ConceptDraw PRO diagramming and vector drawing software enhanced with Rapid UML solution from ConceptDraw Solution Park to create your own UML activity diagrams that show the business and operational workflows of components and overall flow of control in your systems.

Use Product:

  • UML Diagram Tool
  • Software Development Tool
  • Diagram Software
  • Technical Diagramming Tool
  • Business Diagramming Tool
  • Professional Business Graphics Tool
  • ConceptDraw PRO native Mac app
  • Easier to use than Microsoft Visio® and more powerful
  • With free support and thousands of templates

Use Solution:

Rapid UML solution
  • Rapid UML templates and samples
  • UML diagrams examples
  • UML vector elements
  • Import/Export Microsoft Visio™
  • Export to graphics files and PDF
  • Export to PPT™
  • Make Presentation

UML Activity Diagram Examples:

UML Activity Diagram Sample - Alarm trigger processing

Alarm Trigger Processing

UML Activity Diagram Sample - Deposit slip processing

Deposit Slip Processing

UML Activity Diagram Sample - Cash withdrawal from ATM

Cash Withdrawal from ATM

UML Activity Diagram Sample - Catalogue creation process

Catalogue Creation Process

UML Activity Diagram Sample - Payment process

Payment Process

See also samples:

UML Resource:

Compatibility: Apple® OS X 10.10 or later
Microsoft® Windows® 7/8.1/10

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