graph TD ATV_013[Implement Requirements] ATV_007[Specify Business Process] ATV_017[Evaluate and Approve the System] ATV_025[Generate System Structure] ATV_019[Prepare and Present Project Status Report] ATV_003[Identify and Prioritize Initial System Requirements] ATV_012[Planning: Define Sprint Tasks] ATV_015[Test the System] ATV_024[Project Retrospective] ATV_001[Prepare Vision Document] ATV_008[Specify System Requirements] ATV_020[Daily Meeting] ATV_022[Sprint Retrospective] ATV_006[Instantiate Development Environment] ATV_010[Specify Screen Prototypes] ATV_021[Sprint Review]