Muda is a Japanese word meaning "futility; uselessness; wastefulness", and is a key concept in lean
process thinking, like the Toyota Production System
) as one of the three types of deviation from optimal allocation of resources
the others being mura
Muda only work that produces Business value for which a customer is willing to pay.
Muda is any Friction (constraint or impediment) that causes unnecessary waste to occur. Often this is some record keeping that does not a Business value.
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