Which tool is most common used in the standard improvement model DMAIC dephine face?

In the Define phase of the DMAIC (Define, Measure, Analyze, Improve, Control) improvement model, the most commonly used tool is the SIPOC diagram. SIPOC stands for Suppliers, Inputs, Process, Outputs, and Customers, and it helps teams map out the entire process at a high level. This visual representation aids in identifying key elements and stakeholders involved, ensuring a clear understanding of the process before diving deeper into measurement and analysis.