3. Knowledge

3.1 Nature and definition

Knowledge can be :

• knowledge is difficult to define, as it takes many forms. It can be individual (in the case of a doctor's knowledge, for example), or collective (in the case of the cognitive processes involved in coordinating a sports team);

• tacit (inseparable from the individual's interpretation) or codified (easily transposable to other individuals), but often requires both forms in order to be interpreted. Thus, it represents the construction of a representation of a subject based on a personal perception of a phenomenon;

• a vector of meaning to the information