Lean
Lean is a waste-free approach to process management.
Definition
According to Managing Quality by Foster (6th edition),
- Lean. A waste-free approach to process management.
According to Juran's Quality Handbook by Defeo (7th edition),
- Lean. The process of optimizing systems to reduce costs and improve efficiency by eliminating product and process waste; also the state of a system after such optimization.
According to the ITIL Foundation 4e by Axelos,
- Lean. An approach that focuses on improving workflows by maximizing value through the elimination of waste.