The act or result of pulling back; a withdrawal. puhekieltä The act of drawing a camera back to broaden the visible scene.
That which holds back, or causes to recede; a drawback; a hindrance. puhekieltä The iron hook fixed to a casement to pull it shut, or to hold it partly open at a fixed point. puhekieltä A reduction in the price of a financial instrument after reaching a peak puhekieltä The limit of a corner of arrows, which is a pair of arrows sharing the same codomain.
As a loose analogy, one could think of the pullback of a pair of eyes focused on the same object as being the 3-D image of that object produced in the mind which is employing those eyes.