The document discusses the PDCA (Plan-Do-Check-Act) framework for continuous improvement. It describes PDCA as a four step process of planning a change, doing or implementing it, checking the results, and acting on what is learned through multiple iterations. The document notes that PDCA provides a simple and structured approach to solving quality problems, verifying new ideas, and making minor process changes. It encourages methodical problem solving and implementing solutions through planning, testing, and incorporating feedback at each stage of the cycle.