$(2$b$)$ The three systems documentation tools commonly used in organisations are: data flow diagrams $($DFDs$),$ flowcharts and business process diagrams $($BPDs$).$ These tools complement one another and are not substitutive. However, less experienced people may believe that any one of the systems documentation procedures can be used to adequately document all aspects of a given system.Explain what new information each of the three systems documentation tools uniquely provides in describing a given business process.