| A | B |
|---|
| latitude | distance north or south of the equator |
| longitude | distance east or west of the Prime Meridian |
| equator | reference line for latitude |
| Prime Meridian | reference line for longitude |
| Polaris | the North Star located over the North Pole |
| contour line | line that connects points of equal elevation |
| elevation | height of the surface above or below sea level |
| profile | side view of a feature |
| contour interval | change in elevation between two consecutive contour lines |
| sea level | elevation of zero |
| hachure | lines drawn perpendicular on a contour line to indicate a depression |
