Balance of trade: The difference between funds received by a country when exporting merchandise and the funds paid for importing merchandise. The balance of trade is a major part of the current accounts portion of the balance of payments. A balance of trade surplus results if exports exceed imports, commonly termed a favorable balance of trade, and a balance of trade deficit exists if imports exceed exports, analogously termed an unfavorable balance of trade. The "favorable" and "unfavorable" normative connotations attached to the balance of trade rests with the presumption that a nation is "better off" when it exports more than it imports, which is not necessarily true.
Balance of payments: The difference between the funds received by a country and those paid by a country for all international transactions. The international transactions include the exchange of merchandise (exports and imports), which is commonly summarized as the balance of trade, plus the exchange of services, summarized as the balance of services, as well as any gifts or transfer payments that do not involve the exchange of goods and services. The balance of payments, in effect, indicates the difference between currency coming into a country and that flowing out of the country. The balance of payments is divided into two accounts -- current account (which includes payments for imports, exports, services, and transfers) and capital account (which includes payments for physical and financial assets).
Barter economy: An economy that trades goods and services using barter exchanges rather than money. Barter economies originally predated the invention of money, emerging out the early stage of self-sufficiency before giving way to the use of commodity money. However, barter economies occasionally surface in modern times, especially when the public loses confidence in the monetary unit during a government crises or a period of hyperinflation.
Brand : The process of developing and maintaining a name, phrase, symbol or other identifying characteristic of a product or service to create recognition on the part of the consumer. This usually occurs over a period of time with multiple exposures and positive experiences. However, negative experiences dealing with the product can also create brand awareness, just not the kind a company works to achieve. Examples of brands are: Regal, Buick, General Motors.