Map Components Title Grid Compass Rose Key or Legend Scale Compass Rose Cardinal Directions Compass Rose Intermediate directions Absolute Location A point on the earth's surface expressed by a coordinate system such as latitude and longitude. Latitude Lines These lines circle the globe running east to west Longitude Lines or meridians • Circle the globe running North to South Equator = Latitude Prime Meridian = Longitude Equator The equator is a zero degree line of latitude that separates the Northern Hemisphere from the Southern Hemisphere. Prime Meridian • The prime meridian is the zero degree line of longitude that separates the eastern and western hemispheres. • It passes through Greenwich, England