| A | B |
| Equator | Zero degrees latitude |
| Prime Meridian | Zero degrees longitude |
| Tropic of Cancer | Imaginary line about 24 degrees North latitude |
| Tropic of Capricorn | Imaginary line about 24 degrees South latitude |
| lines of longitude | imaginary lines dividing the earth into equal sections east to west |
| lines of latitude | imaginary lines dividing the earth into equal sections north to south |
| tropics | area of the earth between 24 degrees north and 24 degrees south latitude |
| Arctic Circle | area of the earth north of 70 degrees north latitude |
| absolute location | the longitude and latitude of a place |
| relative location | the approximate location of a place |
| parallels | lines of latitude |
| meridians | lines of longitude |
| Northern Hemisphere | half of the earth north of the equator |
| Southern Hemisphere | half of the earth south of the equator |
| Eastern Hemisphere | half of the earth east of the Prime Meridian |
| Western Hemisphere | half of the earth west of the Prime Meridian |