Free trade is an economic concept that refers to the Harmonized Commodity Description and Coding System (HS) with the provisions of the World Customs Organization, based in Brussels, Belgium. sales of products between countries without import-export taxes or other trade barriers.
Free trade can also be defined as the absence of artificial barriers (barriers that applied by the government) in trade between individuals and companies located in different countries.
International trade is often limited by various state taxes, surcharges are applied on goods exports and imports, as well as non-tariff regulations on imported goods. In theory, these constraints semuha rejected by free trade. But in reality, trade agreements supported by the adherents of free trade may actually create new obstacles to the creation of a free market. Such agreements are often criticized for protecting the interests of large corporations.
Source : Wikipedia