The document discusses cultural codes and their role in understanding cultures. It defines cultural codes as a set of images and stereotypes that shape cultural unconscious and behaviors. There are three types of cultural codes - preliterate (traditional), literary, and screenful which is based on the amount of information visible on a display. Each type contains basic cultural codes that generate new, secondary codes. The document also lists values and principles for sustainable and ethical business practices. It provides references used in studying cultural codes and their influence on people's lives and purchasing decisions.