Within a PAL 16:9 video frame there are three distinct common title safety areas, they are:
16:9 Safe – basically the full width of the frame, suitable for 16:9 widescreen, and 16:9 letterbox viewing.
14:9 Safe – 14:9 is the middle ground between 4:3 and 16:9 – it is a slight crop, so the safe area is [...]