Lean Six Sigma

The core idea of Lean manufacturing is to focus on  customer value while minimizing waste.Lean means creating more value for customers with less inputs.
In a lean system an organization understands customer value and focuses on to meet customer satisfaction. The ultimate goal lean is to provide customer satisfaction by increasing value of products and reducing cost by improving process with zero waste.
Lean thinking changes the focus of management from old management style to optimizing current technologies. This will include optimizing the flow of products and services through entire value streams that flow to customers.

Eliminating waste from the entire value streams, instead of single points, creates a  processes that contributes less human effort, less space, less capital, and less time to make products and services at fewer costs and with much fewer defects, which will delight the customer.