scope in WordNet English dictionary

1. an area in which something acts or operates or has power or control: "the range of a supersonic jet"
   "a piano has a greater range than the human voice"; "the ambit of municipal legislation"; "within the compass of this article"; "within the scope of an investigation"; "outside the reach of the law"; "in the political orbit of a world power"
   scope  range  reach  orbit  compass  ambit 
   
2. the state of the environment in which a situation exists
   "you can't do that in a university setting"
   setting  background  scope 
   
3. electronic equipment that provides visual images of varying electrical quantities
   oscilloscope  scope  cathode-ray oscilloscope  CRO 
   
4. a magnifier of images of distant objects
   telescope  scope