The source adds the following information: "A visitor is a traveler who makes a trip to a main destination outside his / her usual environment, for a period of less than one year and for a non-job main reason. by an entity resident in the country or place visited. A visitor is characterized by length of his visit (if he spends at least one night out of his usual environment he is a tourist and if he spends only the day it is a day-tripper), by the object of his visit (personal or professional) and finally his place of residence (definition OMT) ".