Definitions by Geography potter

longitude 

the angular distance of a place east or west of the meridian at Greenwich, England, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes.
"at a longitude of 2° W"

The city of greenwich is located 0 longitude

longitude by Geography potter November 30, 2017

thematic map 

A "thematic map" is a type of map especially designed to show a particular theme connected with a specific geographic area. These maps "can portray physical, social, political, cultural, economic, sociological, agricultural, or any other aspects of a city, state, region, nation, or continent"

Thematic maps are VERY helpful

thematic map by Geography potter November 30, 2017