The term lifestyle refers to the interests, opinions, behaviors, and behavioral orientations of an individual, group, or culture. It was introduced by Austrian psychologist Alfred Adler in his 1929 book, The Case of Miss R., with the meaning of "a person's basic character as established early in childhood". Lifestyle is a way used by people, groups, and nations and is formed in specific geographical, economic, political, cultural, and religious contexts. It is referred to the characteristics of inhabitants of a region in a special time and place, including day-to-day behaviors and functions in job, activities, fun, and diet.