This document discusses the various uses and purposes of photographs. It begins by stating the chapter objectives are to recognize how photography is used, why pictures are important to society, and the importance of the subject. It then lists several common uses of photographs, such as memory, art, documentation, advertising, and entertainment. Specific industries that commonly use photos, beyond just photographers, are also identified as marketing, sales, journalism, and science. The document emphasizes that photographs have the unique ability to capture things too fast, small, or distant for the human eye to see normally. It closes by stating the importance of the subject is to focus viewers' attention and communicate the intended message, while the photographer's role is to frame and present the image