Sector
Sector may refer to: == Places == 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.