What are the three main bodies of tourism?

1, the subject of tourism is tourists, and the object is the object of tourism, including tourism facilities and tourism resources;

2. Definition of tourists: people who leave their habitual residence for any reason to visit countries other than their habitual residence except for obtaining paid jobs;

3. Tourist facilities: various facilities that people actively develop and build with people, money and materials to attract and receive tourists and obtain economic income;

4. Tourism resources: all natural, historical and realistic objective existence that only attracts tourists.