Any activity the customer is willing to pay for. Anything else is waste. Always defined from the customer perspective.
Identify the value stream
The sequence of actions necessary to add value to a product or service, from suppliers to customer.
Create flow
No process upstream should produce anything until the customer downstream demands it. The value stream is thus linked to the customer and it operates at the ‘beat’ set by the market
Attain perfection
Relentlessly apply the previous principles to continuously improve the value stream.
Attain perfection
Relentlessly apply the previous principles to continuously improve the value stream.