This document discusses tour operations and the role of tour operators. It begins by defining a tour operator as a company that combines various travel components, such as flights, transfers, and hotel accommodations, into packaged tours. It then outlines the history of tourism, including key figures like Thomas Cook who organized early package tours in the 1800s. The document also categorizes different types of tours and tour operators, such as escorted, independent, inbound, and outbound operators. Finally, it describes the main functions of tour operators, which include providing travel information, creating itineraries, booking reservations and accommodations, pricing packages, and arranging travel insurance for clients.