Technical support is often subdivided into tiers, or levels, in order to better serve a business or customer base. The number of levels a business uses to organize their technical support group is dependent on a business' needs regarding their ability to sufficiently serve their customers or users.
Marketing globalization is a synergistic term combining the promotion and selling of goods and services with an increasingly interdependent and integrated global economy.
Markets can also be worldwide, for example the global diamond trade. National economies can be classified, for example as developed markets or developing markets. In mainstream economics, the concept of a market is any structure that allows buyers and sellers to exchange any type of goods, services and information. The exchange of goods or services, with or without money, is a transaction. Market participants consist of all the buyers and sellers of a good who influence its price, which is a major topic of study of economics and has given rise to several theories and models concerning the basic market forces of supply and demand.