These categorizations are contingent and empirical; there can be no default list of dimensions. That one dimension is problematized and made visible, that mobile phone number list another is not used explicitly in the frameworks of interpretation of the action, that there are various regularities and combinations of categories and themes: all this is part of the research questions and answers. will be revealed in the inquiry process. From an analytical perspective all this is part of the research questions and the answers will be mobile phone number list revealed in the process of inquiry. From an analytical perspective all this is part of the research questions and the answers will be revealed in the process of inquiry. From an analytical perspectiveetic , on the other hand, dimensions and categories are instruments that mobile phone number listserve to order and explain what leads actors to act as they do, even when it is not visible or explicit to them. At the structural level, concern about inequalities puts social classes at the center of attention. This has been and continues to be the core of social thought in relation to the dynamics of inequality and the mechanisms of its production mobile phone number list and reproduction –be it exploitation or the hoarding of opportunities–. Both in the analysis of the structure of productive activities and labor markets and in the evaluation of their results in the form of income distribution, the notion of social class, often forgotten, is significant and productive. The objective in mobile phone number list our case is to reveal how the class structure and social differentiations and categorizations based on various cultural and social dimensions, generally ascribed, such as ethnicity, «race», gender, age, nationality, are intertwined. religion or language. Categories and categorizations operate from the outside – the «others» (groups, institutions) define the limits, the rights and the benefits derived from belonging–; in the same movement they define the devaluation and discrimination of the excluded.