Principle: Pareto Analysis is based on the Pareto Principle, also known as the 80/20 rule, which states that approximately 80% of the effects come from 20% of the causes. It is a valuable tool used to prioritize and focus efforts on the most significant and impactful factors. 

Definition: DMAIC is an acronym that stands for Define, Measure, Analyze, Improve, and Control. It is a problem-solving methodology used in Six Sigma, a data-driven approach for process improvement.  

Definition: Poka-Yoke is a Japanese term that means "mistake-proofing" or "error-proofing." It is a technique used in lean manufacturing and process improvement to prevent mistakes or errors from occurring during a process or operation.  

Definition: Kanban is a visual management tool used in lean and agile methodologies to visualize work, optimize flow, and improve productivity. It originated from the Toyota Production System (TPS) and is used to manage work in progress (WIP) and ensure smooth workflow.  

Definition: Just-in-Time (JIT) is a production and inventory management philosophy that aims to produce and deliver goods or services at the exact time they are needed, in the exact quantities required, and with the highest level of quality, while minimizing waste and costs.  

Definition: 5S is a workplace organization methodology that stands for Sort, Set in Order, Shine, Standardize, and Sustain. It is a systematic approach used to improve organization, cleanliness, and efficiency in the workplace. 

Definition: Prototyping refers to the process of creating a preliminary version or model of a product, system, or solution to gather feedback, test functionality, and refine design before the final version is developed.