tourism is the name given to the business of the serving tourism. Tourists are people who travel to see another place, area or country. Most tourists travel for pleasure. They enjoy seeing different places and meeting other people. tourism is a modern industry. It is the largest industry in the world for trade among nations. The tourism industry does not consist of only one big business. It has many businesses that provide many things for tourists. It employs many people in many different types of jobs. tour operation, hotel accommodation, transportation, food and restaurants, airlines,car-hire, etc. are parts of tourism business, Tourism is so important that every country has a special government department for tourism. this department uses the information got from the tourists' immigration cards to plan facilities for them