This document discusses key concepts and advancements in travel and tourism. It covers definitions of travel and tourism, the tourism cycle, historical advancements like currency exchange and the emergence of a wealthy class that could tour, and trends in the 21st century like many short breaks and destinations in Latin America and Asia appealing to specialty markets. It also summarizes several chapters that will analyze topics like attractions and souvenirs, impacts on economies and cultures, the roles of government organizations, tourism regulations, planning, development, and marketing.