1. Latitude- these are the horizontal imaginary lines.- they are also called parallels.some of the important latitudes are:a. Equator - 0 deg, divides the Earth into North and South hemisphereb. Tropic of Cancer - 23.5 deg Nc. Tropic of Capricorn - 23.5 deg Sd. Arctic Circle - 66.5 deg Ne. Antarctic Circle - 66.5 deg S2. Longitude- these are the vertical imaginary lines.- aka meridians- measures how far a location is from the east or west of the prime meridian (0 deg)