Overhead may be:
Look up overhead in Wiktionary, the free dictionary.
Overhead (business), the ongoing operating costs of running a business,
Engineering overhead, ancillary design features required by a component of a device
Overhead (computing), ancillary computation required by an algorithm or program,
Protocol overhead, additional bandwidth used by a communications protocol,
Overhead information, for telecommunication systems,
File system overhead, storage or other consideration required by a file system that is not directly related to data.,
Any physical object situated, or action occurring above:
Overhead wire, for power transmission,
Overhead cable, for signal transmission,
Overhead projector, a display system,
Overhead cam, a mechanical device,
Overhead join, in air traffic control,
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