UML use case diagrams

Extend and include in the UML use case diagram

ユースケース図の包含と拡張の関係 - 監視システムの例

All About Use Case Diagrams - What is a Use Case Diagram, Use Case Diagram Tutorial, and More

UML Use Case Diagram - include relationship

Use Case Relationship : Include Relationship And Extend Relationship Easiest Explanation Ever !

Understanding include and extend relationship using use case example.

UML Use Case Diagram Tutorial | Definition, Symbols and More

Use Case Diagram is UML with Extend n include

Difference Between Include and Extend in Use Case Diagrams

Use Case Diagram in UML | Software Engineering

Learn Use Case Diagram Notations in Less than 5 Minutes

Relationships in use case modelling

When to Use a Use Case Diagram - Cooling System Example

Extend Relationship in Use Case Diagram (UCD) | Dependency Relationship Between Two Use Cases in UCD

uses vs extends in Use Case Diagram | includes vs extends in use case | UML | Software Engineering

ユースケース図 - 例を使ったステップバイステップのチュートリアル

Extend | SysML Use Case Diagram

Exploring Use Case Relationships: Can They Both Extend and Include Each Other in UML?

Types of relationships in Use Case diagram