Racial categories are classifications used to group people based on shared physical characteristics, such as skin color, facial features, and hair type. These categories often include groups like Caucasian, African, Asian, and Indigenous. While these classifications can help in understanding demographic trends, they are socially constructed and can vary across cultures and time periods. The use of racial categories can influence social dynamics, including issues of identity, discrimination, and privilege. It is important to recognize that these categories do not capture the full complexity of individual identities, as many people may identify with multiple racial or ethnic backgrounds, reflecting a more nuanced understanding of human diversity.