Sequence diagram with fragments: Loop, alternative, option | Gleek
The Basics & the Purpose of Sequence Diagrams ~ Part 2 - Creately Blog
Loops, Conditionals, and the Like A common issue with sequence diagrams is how to show looping and conditional behavior. The first thing to point out is that this isn't what sequence diagrams are good at. If you want to show control structures like this, you ...
uml - How to represent a call being made in a loop in a sequence diagram? - Stack Overflow
Sequence Diagram with Fragment | Enterprise Architect Diagrams Gallery