What are you referring to when you say specific events in a while loop? I'm assuming that you're not referring to event structures but are rather referring to specific tasks which are to be carried out, as have Doc-Doc and Dan. When there are several tasks to be performed I often compartmentalize those tasks into subvis. By doing this you can readily add a wait timer in the subvi to give results similar to Doc-Docs suggestion without having the diagram cover three screens.