The concept of the container has a place within cognitive science as w
ell as within psychodynamic theories. Cognitive semantics has shown th
at many metaphors giving meaning to daily life-events use the containe
r as a basic reference point. Psychoanalytic theory, most notably, Fre
ud's psychosexual developmental model, illustrates how the container o
f the body results in meaning. Object relations theory in psychoanalys
is has shown how patients with borderline personality disorder behave
according to the dynamics of container and containment. Both the cogni
tive and the psychodynamic conceptions of containers are clinically re
levant. The fundamental notion of the container leads to an exploratio
n of container dynamics' both in cognitive semantics and in psychodyna
mic work. A model of the cusp may be of help in the description of the
dynamics at the border of the container. Furthermore, the description
s of the patient's communication of emotion and thoughts may involve t
hree interacting dimensions: an effective-perceptual dimension, a phan
tasy dimension and a socio-interactive dimension. The interaction betw
een these dimensions has implications for dealing with container dynam
ics and the process of containment.