UML Diagram Symbol Legend

> UML Diagram Symbol Legend

This UML diagram symbol legend shows the symbols and notations used in UML diagram documentation. It covers symbols for all UML diagram types, including UML class diagram, UML collaboration diagram, UML sequence diagram, UML activity diagram, and so on.

UML Activity Symbols

Activity

State

Object in State

Decision Activity

Actor

Control Flow

Control Flow 2

Object Flow

Object Flow 2

Horizontal Synchronization Bar

Vertical Synchronization Bar

Initial State

Final State

Swimlane

Multiple Trigger

Symbol - and

Constraint

Note

UML Class Symbols

Class

Class 2

Class 3

Template Class

Object

Item

Package

Interface

Aggregation

Dependency

Composition

Generalization

Association

Binary Link

Binary Association

Parameterized Class

N-Ary Link

N-Ary Association

Multiplicity

Multiplicity- Optional (zero or one)

Multiplicity- many (zero or more)

Mandatory

Constraint

Note

UML Collaboration Symbols

Object

Multi-Object

Actor

Association Role

Association Role 2

Delegation

Link to Self

Link to Self 2

Constraint

Note

UML Component Symbols

Component

Package

Package Container

Dependency

Generalization

Transparent Stereotype

Opaque Stereotype

Symbol >

Constraint

Note

UML Deployment Symbols

Package

Object

Node

Component

Node Instance

Component Instance

Actor

Interface 2

Interface

Comunication

Inheritance

One-way Dependency

Two-way Dependency

Binary Association

Data Flow

Simple

Balking

Asynchronous

Class Relationship

Note

Constraint

UML Sequence Symbols

Object Lifeline

Lifeline

Activate

Activate (w / breake)

Object

Interaction, Occurence

Frame, Fragment

Class

Message

Message Return

Object Deletion

Message Call

Generalization

Message Call-Back

Self Delegation

Transition 1

Transition 2

Note

Constraint

Actor

Exception

UML Statechart Symbols

State

Submachine State

Composite State

Start State

End State

Transition

Transition Arc

Transition (branch)

Transition (joint)

Decision

History

Detail History

Constraint

Note

UML Use Case Symbols

Actor

Use Case

Package

Object

System Boundary

Straight connector

Communication

Generalization

Include

Exclude

Interface

Constraint

Note

How to Use the UML Diagram Symbols

UML diagram can be easily built with these editable symbols in Edraw. Our UML tool makes UML diagram modeling fast, simple and efficient. There are ready-made templates for each UML diagram type. You can choose to start from scratch or from a UML diagram template. It’s extremely easy-to-use and can publish to lots of commonly used file formats like PDF, PNG, Word, Html, SVG, etc. Download it now and experience its amazing drawing abilities.

EdrawMax

All-in-One Diagram Software

Create more than 280 types of diagrams effortlessly

Start diagramming with various templates and symbols easily

Superior file compatibility: Import and export drawings to various file formats, such as Visio
Cross-platform supported (Windows, Mac, Linux, Web)

Free Download