Class differences refer to the social and economic disparities that exist between various groups in society. These differences can be based on factors such as income, education, occupation, and access to resources. For example, individuals in the upper class often have higher incomes and better educational opportunities compared to those in the lower class, which can affect their quality of life and social mobility. These disparities can lead to varying lifestyles, values, and opportunities. People from different classes may experience different levels of access to healthcare, housing, and education. This can create a cycle where those in lower classes struggle to improve their situation, while those in higher classes continue to accumulate wealth and advantages, perpetuating the gap between them.