| A | B |
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| compass | an instrument for determining directions, as by means of a freely rotating magnetized needle that indicates magnetic north |
| compass rose | figure drawn on a map or nautical chart that shows the locations of north, east, south, and west |
| direction | expressed as north (N), east (E), south (S), and west (W) with gradations in between |
| elevation | height above or below sea level |
| latitude | distance north or south of the equator |
| longitude | angular distance east or west on the earth's surface |
| relief | all the major features or landforms of a region |
| sea level | average height of the ocean’s surface or the midpoint between high and low tide and is the same all around Earth |
| topography | height or depth of a landform relative to sea level |
