Noun
1. an area in which something acts or operates or has power or control: "the range of a supersonic jet";
"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"2. the state of the environment in which a situation exists;
"you can't do that in a university setting"3. a magnifier of images of distant objects
4. electronic equipment that provides visual images of varying electrical quantities