(jgn jawab asal, pke gugel translate) First world, second world, third world country maksudnya apa ya? tolong jelasin

first world = The term "First World" refers to so called developed, capitalist, industrial countries, roughly, a bloc of countries aligned with the United States after World War II, with more or less common political and economic interests: North America, Western Europe, Japan and Australia. 
second world =
"Second World" refers to the former communist-socialist, industrial states, (formerly the Eastern bloc, the territory and sphere of influence of the Union of Soviet Socialists Republic) today: Russia, Eastern Europe (e.g., Poland) and some of the Turk States (e.g., Kazakhstan) as well as China.
third world = "Third World" are all the other countries, today often used to roughly describe the developing countries of Africa, Asia and Latin America.