Designer > Using Links > Designing With Links vs. Structured Activities
  

Designing With Links vs. Structured Activities

You can often set up the same execution order for activities using either links or a sequence. The following example shows two execution designs that are identical.
Using links vs. using a sequence
There are many cases when you can design an execution path only with links. For example, you can link an activity from within a container to another activity in a different container.