+**Overhead** refers to the indirect [Cost](/wiki/cost) or resources consumed in performing a task, beyond the direct effort. It encompasses the necessary, often unseen, expenditures that enable core [Operation](/wiki/operation) but do not directly produce output.
+## See also
+- [Efficiency](/wiki/efficiency)
+- [Optimization](/wiki/optimization)
+- [Expenditure](/wiki/expenditure)
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