Keyword to set both the X and Y position in one switch. N can either be an integer or a real number. If N is an integer it is a pixel value, if N is real it should be between 0.0 and 1.0 as it is multiplied by the width of the screen. Affects text as well as graphics (as do <x> and <y> but not <bmp> which only affect graphics).
By default X and Y determine the coordinates of the top left corner of the displayed item, see <XYJustification>.