Latitude
angular distance north and south of the equator
locates a point north and south of the equator
Parallel
conceptual line of connecting all points on the same latitude
“49th parallel”
Longitude
angular distance east and west of a point on Earth’s surface
locates a point east or west of the prime meridian
Meridian
conceptual line connecting all points on the same longitude that intersect at the poles
Scale
ratio of map units to ground units