BarcelonaPeriphery_ From Latin peripherīa, and this, from Greek peripheria. Extremities or margins of any entity. AnthropologyF. A discipline that studies human beings from a social and cultural perspective, the essence of humanity and their place in the world. BorderFThe boundary between two closely related things. The blurred line between belief and superstition. Bordering_adjAdjacent, territory that is touching the limits or borders of another territory. Satellite_ mThat depends on an external influence. Satellite city. Threshold_ m. Extreme value of a magnitude that, when exceeded, changes the characteristics of the established system. Outskirts_m. Periphery of a city. Metropolis_Main city of a region, of a state. Anarchism_ mA social theory that, based on the principle of individual freedom, advocates the abolition of all forms of political power. Libertarian_ Supporter of the ideology and attitudes proposed by anarchism. Emma Goldman_F. A key anarchist in the development of anarchist philosophy in the first half of the 20th century. Return_ m. The act of returning to the place from which one had departed.