WORLDMAP
World map
A world map is a map of most or all of the surface of the Earth. World maps form a distinctive category of maps due to the problem of projection. Maps by necessity distort the presentation of the earth's surface. These distortions reach extremes in a world map. The many ways of projecting the earth reflect diverse technical and æsthetic goals for world maps.The above text is a snippet from Wikipedia: World map
and as such is available under the Creative Commons Attribution/Share-Alike License.