1) Tourism involves traveling for leisure or business purposes for a limited time. It helps preserve culture and boosts economies by creating jobs.
2) The tourism process involves three phases - leaving one's usual environment, experiencing the destination, and returning home. Various factors like purpose, transportation, events, and activities have promoted tourism.
3) E-commerce and online communication are increasingly important for the tourism industry, allowing tourists to easily access information, book travel arrangements, and order services online.