Petri net

A Petri net is a way to show how different parts of a process are connected and how they can interact with each other. Think of it like a model train set, but with circles, arrows, and blocks. The circles are called "places" and they represent the start and end of an action. The arrows are called "transitions" and they show how the process moves from one place to the next. The blocks are called "tokens" and they indicate that something needs to happen in order to move from one place to the next. Together, these three parts help us understand how a process works.