A displacement arrangement for displacing a sliding leaf of a window or a door relative to a fixed surround of the window or the door in a direction which is transverse relative to a main plane of the window or the door includes an actuation mechanism arranged on the leaf that is movable with at least one portion in a circumferential direction of a rebate, a first control element arranged on the portion of the actuation mechanism and a second control element arranged on a guiding member, where the guiding member is guided on a fixed surround and arranged on the leaf to be movable transversely relative to the circumferential direction of the rebate.