Input (grade 13): Accordingly, DVDs are labelled as either PAL or NTSC (referring informally to the line count and frame rate) even though technically the discs do not have either PAL or NTSC composite colour.
Output (grade 8): Accordingly, DVDs are labelled as either PAL or NTSC. This labelling is informally referring to the line count and frame rate even though technically the European discs do not have PAL composite colour.