Statistical Process Control (SPC) is a method used in quality control that employs statistical techniques to monitor and control a process. By analyzing data collected from the process, SPC helps identify variations that may indicate potential issues, allowing for timely interventions to maintain product quality. SPC typically involves the use of control charts, which visually display process data over time. These charts help determine whether a process is stable and operating within predefined limits. By applying SPC, organizations can improve efficiency, reduce waste, and ensure consistent quality in their products or services.