Introduction The summary is a text frequently present in educational settings, confusing conceptualization and whose realization reviews multifaceted characteristics. Many teachers at the primary, secondary and even tertiary level They check daily that their students do not know how to summarize a text. The preparation of the summary in the classroom is frequently stripped of the communicative context that this practice usually has in the extracurricular area. Instruction usually focuses on determining the steps to follow: read the text carefully, underline the main ideas, place the corresponding keywords next to each paragraph and, for Lastly, rewrite those main ideas. These steps are usually used in indiscriminately with any type of text: stories, news journalistic or expository texts are treated in the same way when to produce the respective summaries. The summary is approached in a privileged way as a technique of study but, paradoxically, it is usually presented as an isolated activity or detached from the notions of social or natural sciences that are intended teach. A fact that confirms this assessment is that it appears as Language content in school textbooks and are the teachers of this area those who are in charge of the exclusive responsibility for its teaching. This prevents us from noticing the enormous conceptual complexity that the task of summarize texts belonging to specific domains of knowledge.