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UML Activity Diagram

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.

UML Activity 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 DIAGRAM 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.


Entity Relationship Diagram Symbols →

When we start to speak about databases, we must always mention database structure visualization. One of the most common ways to do it is to create an entity relationship diagram, and to put appropriate symbols on it. It is important either for database projecting and for its' future maintenance. Entity Relationship Diagram describes data elements and their relationships within a database. There are a set of special symbols that depict each element of an entity relationship diagram. Entities - represents some stable components such as supplier, employee, invoice, client, etc. Relation symbols show how the entities interact. Attributes define characteristics of the relationships. Attributes can be one-to-one or many-to-many. Physical symbols is used in the physical models. They represent items such as fields, tables, types and keys. ERD physical symbols are the building material for the database. Notation lines are used to illustrate the relationships. The most common method is Crow’s Feet notation. You can use ConceptDraw Entity-Relationship Diagram (ERD) solution to represent a database using the Entity-Relationship model.Entity Relationship Diagram Symbols
Picture: Entity Relationship Diagram Symbols
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Data Flow Diagram Example →

ConceptDraw DIAGRAM extended with Data Flow Diagrams solution is the best diagramming and vector drawing software for quick and easy designing the Data Flow Diagram Example of any complexity.Data Flow Diagram Example *
Picture: Data Flow Diagram Example
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Jacobson Use Cases Diagram →

The vector stencils library UML Use Case contains specific symbols of the UML notation such as actors, actions, associations and relationships for the ConceptDraw DIAGRAM diagramming and vector drawing software. This library is contained in the Rapid UML solution from Software Development area of ConceptDraw Solution Park.Jacobson Use Cases Diagram *
Picture: Jacobson Use Cases Diagram
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How to Draw an Organizational Chart →

If your company is in chaos in clutter and no one understands their rights and responsibilities, maybe it's time to change that. One of the ways to put the company in order is to draw an organization chart that would reflect the structure and show the relationships among departments and positions. This is a very useful and easy to understand scheme. This is example of the one of the most typical kind of organizational chart. It depicts an organizational structure of the hierarchical type. Its construction is similarv to pyramid. The single main position on the top - in this case, the mayor's position followed by sub-levels of authority in his command. Each position in the pyramid reports only to his supervisor, and takes only a report of direct subordinates. Such scheme limits the number of communications. This organizational structure is effectively used in public organizations. Also it is suitable for any organization with the need for multiple levels of middle managers. The ability to create organizational charts of different types is supplied with ConceptDraw Ogrcharts solutions.How to Draw an Organization Chart *
Picture: How to Draw an Organizational Chart
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Flow Chart Diagram Examples →

Draw your own business process flowcharts using ConceptDraw DIAGRAM diagramming and business graphics software. The Flowcharts Solution for ConceptDraw DIAGRAM is a comprehensive set of examples and samples in several different color themes for professionals that need to graphically represent a process.Flow Chart Diagram Examples *
Picture: Flow Chart Diagram Examples
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Network Diagram Software. LAN Network Diagrams. Physical Office Network Diagrams →

Local area network connects computers and other network appliances within an area, such as office building or a campus. It can be difficult to provide such network without a predesigned plan. For these purposes you can use network diagram software, which helps you to create LAN network diagrams and office network diagrams quickly and effortless. This will speed up your work and you can save the diagram for the future network improvements. The following diagram illustrates a network topology of the small office. LAN configuration has a star topology. The local network joins 8 computers among which are several desktop PCs, laptop, two iMacs and iBook. The end-point devices are divided into three groups. Each group is connected to its hub. There is a network printer and a modem, which are interconnected with other devices through a network server. Each computer on the LAN can access the server through a corresponding hub.LAN Network Diagram
Picture: Network Diagram Software. LAN Network Diagrams. Physical Office Network Diagrams
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Sequence UML for ATM →

Sequence UML for ATM - This sample represents the UML Sequence Diagram of working the ATM (Automated Teller Machine) banking system. On this diagram are represented the processes and objects that occur at the same time as lifelines (parallel vertical lines), and the messages exchanged between them as horizontal arrows. This sample can be used by the banks for service of the banking transactions using ATMs.Sequence UML for ATM *
Picture: Sequence UML for ATM
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UML Software →

Unified Modeling Language (UML) is a language of graphic description for object modeling in the field of software engineering. UML was created for definition, visualization, designing of software systems. UML is an open standard that uses graphic notations for creating visual models of object-oriented software systems. The Rapid UML Solution for ConceptDraw DIAGRAM presentsthe intuitive RapidDraw interface that helps you to make the UML Diagram of any of these 13 types quick and easy.UML Software *
Picture: UML Software
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