The term ‘psychic structure’ occupies a contested but indispensable position across the depth-psychological corpus, encompassing at minimum two distinct theoretical traditions that only partially intersect. Within analytical psychology, structure denotes the relatively stable, autonomous organisation of the psyche into functionally differentiated systems — ego, complex, archetype, shadow, anima/animus, self — whose dynamic interplay constitutes the totality of psychological life. Jung himself treated structure as something that both precedes the individual (the inherited archetypal ground) and is built up through developmental interaction with the environment, a dual origin that prevents any simple reduction to either biology or biography. The second major tradition, represented chiefly by Kohut-influenced clinicians such as Flores, employs the term in a narrower self-psychological sense: psychic structure as the internal regulatory capacity formed through transmuting internalisation of selfobject functions, whose absence or inadequacy underlies addictive and narcissistic pathology. Neumann bridges both traditions by situating Western psychic structure historically — as a culturally specific one-sidedness toward consciousness that is both productive of conflict and generative of individuation. Schore adds a neurobiological dimension, grounding structural formation in critical-period corticolimbic development. What unites these voices is the insistence that psychic structure is neither fixed nor merely subjective but is a real, causally efficacious organisation that shapes experience, behaviour, and the possibility of transformation.