| A | B |
| latitude | a measure of distance north or south of the equator |
| equator | the imaginary line of latitude that lies halfway between the North and South poles and circles the globes |
| longitude | a measure of distance east or west of the prime peridian |
| prime meridian | the imaginary line of longitude that runs through Greenwich Village, England, from the North Pole to the South Pole |
| grid | pattern of lines that circle the earth in east-west and north-south directions |
| parallel | another name for line of latitude |
| meridian | another name for line of longitude |
| hemisphere | half of the earth, such as the Northern or Southern |