The term "working classes" refers to a group of individuals who typically have lower socio-economic status and are engaged in manual labor or other low-skill jobs. There are several synonyms for this term that can be used to describe this demographic, such as the working poor, blue-collar workers, laborers, and wage earners. Other terms that can be used to refer to the working classes include the lower class, proletariat, and the underclass. These synonyms are often used interchangeably depending on the context and the emphasis on the specific characteristics of the group being described. Regardless of the specific term used, it is important to recognize and acknowledge the contributions of these individuals to the economy and society as a whole.