Butler and Jones (2001) use tourism as an all-encompassing term that covers all aspects of people being away from their home and hospitality as a specific part of providing accommodations and meals for tourists. They note that the one difficulty in their definitions is that the hospitality industry also serves many people who are not tourists, such as local residents. They state that tourism is often interpreted as the flow of visitors from one country to another for more than 24 hours of time and less than one year.
In this book, to get a broader view and include all of the different types and sizes of organizations in the field, we use the terms hospitality and tourism interchangeably.