Flow diagrams use arrows to represent a process. We breakdown the process step by step, into it’s key concepts or required actions.
Most flow charts operate on a basic yes or no principle. If you have completed the previous task you advance to the next point. If you have not you may need to complete the task or perform another task.
Observe the flow diagram to the left. We first see that the lamp is broken.
By following the steps down the flow chart we can determine what the issue is and how to fix it.