Definition is an important tool for document language construction, but in some cases, it is very difficult to use the prescriptions of the international terminological standards. In this article, the purpose is to gather together some elements to understand what a definition is, how it is built according to different points of view, which are the difficulties underlying the classical terminological literature or terminological standards prescriptions taking into consideration the peculiarities of human discourses or in regard to information or transformation areas, alternatives which are proposed. It is presumed that information transfer occurs in the language universe, so that it is necessary to study the different discursive typologies and its terminology to avoid communication problems in the information environments.
Definition; Terminology; Documentary language; Information organization; Information organization language