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"
The ambit of something is its range or extent. Her case falls within the ambit of moral law. = scope. the range or limit of someone's authority, influence etc fall within the ambit of sth (ambitus, from the past participle of ambire; AMBIENT)