Flowcharts clearly show each step of the project from start to finish, allowing team members to understand how the tasks connect and progress at a glance. It ensures each step proceed smoothly and improves the team's communication efficiency.

Structure diagrams help to quickly break down complex tasks into manageable sub-tasks, and org charts help to clarify everyone's position in the team. When handling large-scale projects, these diagrams ensure everyone clearly understands their goals and responsibilities, making the management well-organized.

Fishbone diagrams disassemble the various causes of the problem, and arrange them in an orderly fishbone shape. This clearly presents the cause-and-effect relationship, and helps the project team quickly identify the root cause, to formulate an executable improvement plan.