The author tries to describe and illustrate clinically two levels of abstractions made in the conceptualisation of 'clinical psychoanalytical' facts. The first one, immediate, occurs in the 'here-and-now' of the emotional experience which develops in the session and where unconscious and preconscious aspects of the analyst predominate, particularly those resulting from his unconscious theoretical reference scheme. The second level of abstraction, mediate, is made after the session and, even if it includes elements from the previous level, is characterised predominantly by the presence of rational, conscious elements, which allow the formulation of more general theoretical concepts and broader articulations of the patients' associations with one another, with the session as a whole, with that moment in the analysis, with the patient's history and with different theoretical references.