+**Optimal Size** refers to the ideal dimension or capacity at which a system or entity achieves maximum [Efficiency](/wiki/efficiency) and perfect [Balance](/wiki/balance). It represents the sweet spot where benefits are optimized, and resources or effort are neither over nor under-applied.
+## See also
+- [Optimization](/wiki/optimization)
+- [Equilibrium](/wiki/equilibrium)
+- [Scale](/wiki/scale)
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