That is, each definition results in a new attempt to appraise something, that has an unquestioned dynamics admittedly. Academy of Art gathered all the information. In way to the innumerable definitions of tourism, it has that if to detach that one adopted by an official organism, of global insertion, that is the World-wide Organization of the Tourism. According to this agency, the tourism is a phenomenon of dislocated space, that involves the use of some way of transport and lasts the least one spends the night in the destination, this displacement can be in domestic territory or international, motivated for diverse reasons, as tourism of health, leisure, business and others since that, they do not correspond the forms of direct remuneration. This type of analyzes considers, a partner-space boarding of the tourist phenomenon, and in agreement it can be losted in thought from the definition of the World-wide Organization of the Tourism, all type of trip, since that the least lasts one spends the night in the place, today is considered as a type of tourism, independent of its motivation. if on the other hand of the origin call segmentation of the tourism (tourism of health, educational or business-oriented), on the other hand estimates definition of synonymous between trip and tourism. Cross (2001) also estratificou the phenomenon, tourism in modalities, how much to the form of dispersion in the space and object of consumption, giving origin to the expressions mass tourism and alternative tourism. The tourist activity, through its aspects of consumption and investment, becomes productive, it needs, and definitive with proper characteristics, being its performance strong influenced by the growth of the level of income of the consumers and of the determinative potentials, it is become incorporated the field of the development of the commerce, if projecting as one of the greaters and more important sectors of the world-wide economy. According to data of the World-wide Organization of the Tourism, between 2000 and the 2008 international trips had grown 4.2% to the year, reaching a total of 922 million tourist in 2008, generating an income of approximately US$ 5 trillions.