Theory:

A common thought for us is to get a vacation, pack the bags and travel to different places, right? That means you want to get out of your usual environment and experience something different. Have you ever wondered why we travel? Travelling is a fun-filled experience. Sometimes travel teaches us a lot compared to what we learn from school, parents, friends etc.
 
The word 'tourist' was originated from an old English word, “tourian”, which means a person who travels out of his usual environment for not more than one year and less than 24 hours. The purpose of travel may be recreation, religious, medical, business, historical, educational and cultural.
 
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According to the UNWTO (United Nations World Tourism Organisation), tourism entails the movement of people to countries or places outside their usual environment for personal or business/professional purposes. These people are called visitors.
 
Most of the developments today are related to travel, and a significant part of the economy is directly or indirectly related to travel. For instance, private vehicles like cars, two-wheelers, and public transport facilities like buses, trains, and aeroplanes are used by people to travel from one place to another. The tourism sector contributes a significant part to this travel.
 
The tourism sector is now recognized as an economic activity of global significance, offering livelihood to millions of people worldwide. As the importance of the tourism activity has increased, so has the attention given to it by organizations in both the public and private sectors, governments and academics. This chapter is an introduction to a complex and multi-faceted industry.