The dark parts of the logo or text are cut out. Design size is the height and How many 0 fits as many as it can. For a colour logo, raise or lower Dark cutoff until the right parts show. Bridge inside detail ties every piece that would fall out (eyes, teeth, the middle of an O, A or R) to the wall with bridges, so it stays put. A DXF logo is used exactly as drawn (filled the way LightBurn fills it). For pictures, a one-colour black & white file works best.