They are important for tracking and mapping points and places.
lines of latitude
latitude?
Each 'meridian' is a line of constant longitude.
Every meridian of longitude is perpendicular to every parallel of latitude, and every parallel of latitude is perpendicular to every meridian of longitude.
Latitude.
Latitude and longitude
The lines that intercept latitude lines are lines of longitude.
Every parallel of latitude crosses every meridian of longitude.
Longitude lines go vertically and latitude lines go horizontally.
Lines of latitude and longitude allows any position on the Earth to be plotted.
Lines of Longitude
Lines of latitude and lines of longitude are equally misunderstood by substantial and virtually equal fractions of the general population.