This document discusses differences in cultures and provides an overview of key cultural concepts. It defines cross-cultural literacy as understanding how cultural differences can affect business practices. Culture is described as a system of shared values and norms that constitute a design for a group. Different types of social norms like folkways and mores are presented, along with how society, nation states, and individualism vs group orientation relate to culture. The document also discusses social stratification through caste/class systems and the significance of stratification on issues like social mobility and class consciousness. Finally, it provides brief descriptions of religion and ethical systems.