Everything is in the question. I've just discovered this new feature and I don't really understand what it stands for. All I know is that it can represent loops and alternatives in sequence diagrams.
Can someone explain me what it is?
1 Answer 1
The IBM web site has an explanation of it. To give the elevator summary - it is a way to show different conditional paths that can be taken on a sequence diagram. There are various flavors of them, but each handles conditional flow.