14+ Use Case Relationships. Defining the relationship between two use cases is the decision of the software analysts of the use case diagram. Uml use cases share different kinds of relationships.
In addition to introducing use cases as primary elements in software in addition to the links among actors and use cases, you can show several kinds of relationships between use. Use case diagrams are defined as diagrams that capture the system's functionality and requirements in uml. Relationships, the base use case does not need the extension, that is, it is completely deﬁned and the extension adds new.
When it comes to drawing use case diagrams one area many struggles with is showing various relationships in use case diagrams.
14+ Use Case Relationships. E.g., login uc includes user. Given the example you posted (fyi it is better for you. E.g., login uc includes user. Use case packages explained in hindi l software modeling and designing course.