Today, more than ever, experts are concerned about a complete definition of the concept „contents of the teaching” or „contents of education”. It can be observed the use of plural. Singular-plural game is mostly utilized for the fact that in official documents, it is used the term "content" to indicate the fact that it is about an assembly or an articulated system of objectives and specific knowledges to a certain level of achievement, while "the educational content of education" emphasizes that, on the one hand it is about formal, non-formal and informal educational contents. The contents of education is a set of knowledge, skills, values and the behavior, materialized as a form of degree programs and selected according to the aims and objectives of each institution in a society. These contents, categorized on levels or types of schools, on classes and on disciplines, are the result of elaborations in a pedagogical purpose and makes the subject to a specific process: learning.