To me all the examples shown look the same "box and arrows" diagrams, with the "Persona" one slightly differentiating since it uses "swimlanes" ...
UML has plenty types of diagrams but for me the most useful are Use Case, Class, Sequence (or activity, here's on with lanes), and Deployment diagrams. You d better familiarize yourself with those and use them when appropriate (Note, I am not fond of complex formal "enterprise-y" design processes, but a common notation is usually useful...)
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
To me all the examples shown look the same "box and arrows" diagrams, with the "Persona" one slightly differentiating since it uses "swimlanes" ...
UML has plenty types of diagrams but for me the most useful are Use Case, Class, Sequence (or activity, here's on with lanes), and Deployment diagrams. You d better familiarize yourself with those and use them when appropriate (Note, I am not fond of complex formal "enterprise-y" design processes, but a common notation is usually useful...)