Sector

Sector may refer to:

Places

Circular sector, the portion of a disc enclosed by two radii and a circular arc
Hyperbolic sector, a region enclosed by two radii and a hyperbolic arc
Spherical sector, a portion of a sphere enclosed by a cone of radii from the center of the sphere

Business sector, part of the economy which involves the trading and sale of products by companies
Economic sector, the manufacturing, finance and production of goods for consumers
Private sector, business activity created by private enterprise for profit
Public sector, delivers social services, infrastructure and institutions administered by government
Voluntary sector, a non-profit and voluntary part of an economy provided by organisations
The sector of the sector directive in government procurement in the European Union

Cylinder-head-sector, an early method for giving addresses to blocks of data on a hard drive
Disk sector, a subdivision of a track on a disk
Sector, or zone, in portal rendering
Sector/Sphere, an open source software suite
Sector (instrument), a historic calculating instrument

Sector (administrative division)
Sector clock
Sector light
Sector commander
United States Coast Guard Sector, a shore-based unit of the U.S. Coast Guard
Sector, a fictional area of space, e.g. in the Foundation series, Star Wars, StarCraft, Warhammer 40,000, Lollipop Chainsaw
- Sector, or galactic quadrant, regions of space in Star Trek
Sector, and Sector No Limits, watch brands
Sector General, a series of science fiction novels by James White