Afree trade agreement is best described as an agreement between two countries to

Treaty (such as FTAA or NAFTA) between two or more countries to establish a free trade area where commerce in goods and services can be conducted across their common borders, without tariffs or hindrances but (in contrast to a common market) capital or labor may not move freely. Member countries usually impose a uniform tariff (called common external tariff) on trade with non-member countries.