Ключевые слова: analog, angle, angle of incidence, antique, arrow, azimuth, compass, defer, deport, detail view, device, direction of the sky, display disc, disturbance, east, field exercise, geological, geological compass, geologist, geology, geometry, geostatistics, glass, gon, grade, historical, layer, linear, lot, manual, map, mapping, mechanical, metal, monochrome, mountain, north, old, orientation, parts of the world, recording, rock layer, ruler, scale, south, structural geology, structure, surface, tectonics, west,