This document summarizes key concepts from Chapter 10 of Essentials of Sociology regarding ethnicity and race. It defines ethnicity as referring to the distinct cultural norms of a social group, including shared history, religion, ancestry, language, and sense of destiny. Race is defined as an externally imposed system of social categorization based on physical characteristics. Racialization is the actual imposition of a racial schema on a society. Racism involves prejudice and discrimination based on physical differences. The document then discusses models of ethnic coexistence in the US, global migration trends, and how to see racial and ethnic inequality in areas like education, income, and wealth.