The agency of the letter in the unconscious jacques lacan. For lacan, there are 3 orders or dimensions in the psyche: the symbolic, the. They are all equally important to the formation of subjectivity. The symbolic is the dimension of symbolization into which the human being"s body, to the extent that he or she begins to speak, must translate itself. The symbolic is a structure of relations rather than things. The imaginary is the dimension of images, conscious or unconscious, perceived or imagined. The essay describes the founding moment of the imaginary: the infant"s recognition of its image in the mirror. The baby forgets how weak it is and identifies jubilantly with the wholeness of a reflected form. The human self thus comes into being through a fundamentally aesthetic recognition. Through an external medium (a mirror), the child"s fragmented body is made whole: the newly fashioned specular i precedes the social i .