[quoteStandard Definition (480i). Standard Definition is what you would see on Digital Cable with a basic connection.
Enhanced Definition (480p), an example of Enhanced Definition would be a DVD playing on your typical DVD player, slightly better quality than standard but still not high definition.
High Definition (720p-1080i) - High definition produces a much better picture because of the large number of lines it is able to produce. This allows for images on the screen to have much greater detail.
Full HD (1080p) -The fourth level of definition and the highest available, found only on Blu-Ray Disc and HD DVD players.[/quote]