Overhead

Overhead may be:

• Overhead (business), the ongoing operating costs of running a business

• Engineering overhead, ancillary design features required by a component of a device
  • Computational overhead, ancillary computation required by an algorithm or program

• 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

• Overhead (band), a Finnish progressive rock band