| middle class(expression, system, society, class, people) |
| lower class(expression, system, society, class, people) |
| political status(noun, expression, society, sociology, stratification) |
| social class(noun, expression, position, society, class) |
| socio-economic class(expression, position, society, class) |
| status class(expression, position, society, class) |
| upper class(expression, system, society, class, people) |
| working class(expression, position, society, class) |
| class system of education(expression, feature, system, class) |
| economic group(noun, expression, society, sociology, stratification) |
| ethnic group(noun, expression, society, sociology, stratification) |
| political view(noun, expression, society, sociology, stratification) |
| racial group(noun, expression, society, sociology, stratification) |
| social class system(expression, feature, system, class) |
| age-class system(expression, feature, system, classification) |
| career class system(expression, feature, system, class) |
| class cost system(expression, feature, system, classification) |
| class system integration(expression, feature, system, class) |
| colonial class system(expression, feature, system, class) |
| combined class system(expression, feature, system, class) |