Imma is a revelation of the Mental Powers of Zeir Anpin: in Imma they are prepared in detail like an embryo in its mother’s belly. Here we have the mystery of Chochmah and Binah: Chochmah is general, whereas Binah is the thinking process (התבוננות, hitbonenut, applied to the overall concept of Chochmah, analyzing matters in detail. Accordingly, Abba extends to provide a general revelation of the Mental Powers, and likewise Abba brings them forth as one overall whole. In Imma the Mental Powers differentiate into their details, and likewise when Imma performs her motherly function, she reveals their detailed components like an embryo in its mother’s belly.