The Lean Principle is an approach to business that focuses on eliminating waste and improving efficiency. It is based on the idea that the most efficient and effective way to produce something is to eliminate all unnecessary steps and resources. The Lean Principle is based on the Toyota Production System, which was developed in the 1950s by the Japanese automotive manufacturer. The Lean Principle is an important part of many modern businesses, as it helps them to reduce costs, improve quality, and increase customer satisfaction. The Lean Principle is based on the idea of continuous improvement, which means that businesses should constantly be looking for ways to improve their processes and products. The Lean Principle also emphasizes the importance of customer feedback, as it helps businesses to identify areas of improvement and make changes accordingly. The official business definition of the Lean Principle is that it is an approach to business that focuses on eliminating waste and improving efficiency. It is based on the idea that the most efficient and effective way to produce something is to eliminate all unnecessary steps and resources.