Information is commonly defined as one of the sources of knowledge, it is an element that can be perceived by one of the five human senses. It is also defined as a grouping of data in a given field of study giving the different users (internal or external actors of the organization) a comprehensible meaning. It includes of course values depending on the context of the study.Throughout his life, the human being is led to make decisions, but a decision cannot be made without reflection. The reflection, in its turn, cannot be done without an information base.