World

world indicate the part of which is accessible for us conceptually and incidentally, from a material point of view. When the term is used with a capital letter, it indicates our planet, .

In a more relative direction, a world represent a closed system in which the actors perceive neither the outside of this system nor the fact that this system is closed. One speaks thus about virtual worlds in to indicate a limited universe of objects and possible actions, constituting the single framework of reference of the studied software.

Designs of the world

Initially, it world was included/understood like the whole of the grounds and the known navigable zones. One did not imagine whereas the world could be differently than flat.

revolution copernician showed that the world was not flat but spherical, and that in more it was not the center of the Universe. Large travellers of and XV^E century (, , ) showed moreover than the world was vaster than it was believed, in particular with the discovery of the American continent.

With the advent of the means of and of modern, the perception of the size of the world is reduced: very part of the world is accessible in a short time on a human life scale, in the same way, to make the turn of the world is summarized primarily with a problem of logistics.

See too

Concepts:

• - - Origins of the World - all

Our world:

• Citizen of the world - wonder of the world - Free world - World population

In short, one evolved/moved

External bonds

• (Fr)Information, charts and statistics on the world
• (Fr)Follow on line the evolution of the world population
• (Fr)Economy, Employment, Companies, Hotels - By Area

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