verb travel around, either by plane or ship.
— synonyms: circumnavigate
verb get the meaning of something.
— synonyms: grok, get_the_picture, comprehend, savvy, dig, grasp, apprehend
noun navigational instrument for finding directions.
noun an area in which something acts or operates or has power or control: "the range of a supersonic jet".
— synonyms: scope, range, reach, orbit, ambit
noun the limit of capability.
— synonyms: range, reach, grasp
noun drafting instrument used for drawing circles.