Hoogvelt's three concentric circles:
- the elites
- the contented
- the marginalized
Three categories of people from an insurance agent's point of view:
- the insured
- the uninsured
- the under-insured
Three subsets within the middle class:
- mataas na panggitna
- gitnang panggitna
- mababang panggitna
Division of the world according to the World Systems Approach by Wallerstein:
- core
- semi-periphery (intermediate role)
- periphery
Categories of UP faculty members according to Prof. Roland Simbulan:
- academic proletariat
- lumpen academic
- public intellectual
Types of politicians in the Philippines:
- competent and honest (kathang-isip lamang!)
- competent but dishonest
- incompetent but honest
- incompetent and dishonest (madami sa Congress!)
