[Solved] Each person goes about her daily business seeking to maximize her own self interests.In doing so, she contributes to the welfare of society at large.This is the idea underlying Adam Smith's "invisible hand." Child Pornography: Illegal material that depicts minors in explicit sexual situations, which is prohibited and punishable by law. Erotica: Literature or art that focuses on sexual love and desire, intended to arouse sexual feelings while being aesthetically pleasing. Pornography: Explicit depiction of sexual subject matter for the purpose of sexual arousal. Pimps: Individuals who solicit customers for prostitution and often control the earnings or conditions under which sex workers operate, usually for their own profit.