Sector - Definition
sector
n 1: a plane figure bounded by two radii and the included arc of
a circle
2: a social group that forms part of the society or the economy;
"the public sector"
3: a particular aspect of life or activity; "he was helpless in
an important sector of his life" [syn: sector, sphere]
4: the minimum track length that can be assigned to store
information; unless otherwise specified a sector of data
consists of 512 bytes
5: a portion of a military position
6: measuring instrument consisting of two graduated arms hinged
at one end