The document explores the concepts of race and ethnicity, defining race as a socially constructed category based on perceived biological differences, and ethnicity as based on cultural traits such as language and nationality. It discusses the historical context of racial classifications, the nature of minority groups, and the manifestations of racism, prejudice, and discrimination. Additionally, it highlights the impact of race and ethnicity on life chances in areas like healthcare, education, and income, and outlines various theories and models of race relations.