The document discusses what design is through quotes from designers and examples. It defines design as "thinking made visual" (Saul Bass), "challenge-solving" (Aaron Marcus), and "the conscious effort to impose meaningful order" (Victor Papanek). It notes that everything human-made around us has been designed. Design helps define ourselves, communicate to others, and improve lives by giving experiences meaning. The key is using design as a tool through a process of looking, thinking, doing, and repeating.