Types of tourist. Why is it difficult to find a concept that fits all kinds of tourists?

Essay from the year 2013 in the subject Tourism - Miscellaneous, grade: B, University of Stavanger, language: English, abstract: The idea and the definition of tourist and tourism have been implicitly indicated in a particular article of Cohen, 1974. Tourism is just travelling or getting around for mental refreshment, leisure, recreation, business purposes etc. So, tourists can be defined by saying about the people who are travelling around and living moveable in the places, apart from their usual environment, for recreational, leisure, business activity and so on.