The concepts of "structure" and "model" have been used by the Human and Social Sciences independently of the theoretical approaches that gave to him sustenance epistemology and methodology original application. In both cases it has been a question of capturing the essence and to representing a phenomenon. Both mentioned concepts interlace in the art, the anthropology, the linguistics, the psychology, the psychiatry, and the economy, so much like in mathematics. The names associated with the above mentioned concepts shape an endless list of those who were to the forefront of his respective disciplines: Picasso, Lévi-Strauss, Jakobson, Piaget, Lacan, Leontief, without forgetting to the Group Bourbaki. At this one I am employed, first, an approximation is realized to the different senses of "structure" and "model". Then he appears under the look of the Semantic Concepcion of the Scientific Theories, how they have remained inextricably interlaced with explanatory ends.
