I guess that there are many definitions and perspectives as to what Lean really means in the business environment, but the simplest definition of Lean is “the relentless pursuit to eliminate waste”. “Waste” can be categorized as any non-valued-added activity; and a non-value-added activity is any activity that doesn’t add direct value to the customer – but more on that a little later.
An expanded definition of Lean would be:
Lean represents the use (or consumption) of no more of any resource than the minimum required to produce a product or provide a service to the expectations of the customer.
Or to restate slightly differently:
Lean means that you only use the ...