+A value stream illuminates the full journey a [Product](/wiki/product) or service takes, from its inception to the hands of the [Customer](/wiki/customer). It maps every step in the [Process](/wiki/process) that transforms raw input into delivered value, revealing areas for optimization and waste elimination.
+## See also
+- [Lean](/wiki/lean)
+- [Efficiency](/wiki/efficiency)
+- [Flow](/wiki/flow)
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