Sector

• Sector, West Virginia, U.S. ==Geometry==

• 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 == Social and economic ==

• 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 ==Computing==

• 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 ==Other uses==

• 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 ==See also==