uml - Use cases Extends and include - Stack Overflow

I have a not completed diagram of e-commerce order I am not sure of the include and extend relatationship Does this diagram is correct for the attached flow

uml - Use cases dependent on another use case - Stack Overflow

Simple Use Case Diagram - UML - Stack Overflow

design - Is 'extending' a use case unnecessary when it is directly

Buffer-Overflow Attacks on Pointers.

Use Case Diagram Relationships Explained with Examples - Creately Blog

inheritance - Inherited but exclude one use case - Stack Overflow

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Stack-Overflow-Tags-Communities/dataset/WIKI_sof at master

UML Use Case Diagrams: Tips Use case, Diagram online, Business