flow chart for a common process of obtaining a G - driver's license. Explain - What information do flow charts disclose? Why is this helpful in understanding processes? a run chart for daily outside temperature for 10 days. Explain - What information do run charts disclose? Why is this helpful in understanding processes? Discuss the purpose and usefulness of control charts. What does "in control" mean? What is the difference between the voice of the process and the voice of the customer? How are each one displayed on a control chart? describe the purpose and usefulness of different types of charts (there are eight).