It's possible to place 40 language versions with each video selection. There are 32 full-page graphics tracks available for each video selection. These are usually used for subtitling, however, as these are true graphics tracks, there is nothing to prevent highly imaginative graphic enhancement. Most of us produce things that the whole family can watch. By inserting the code at the end of a segment, viewers line up for the next segment, leading them to the next portion of the DVD you would like them to see when you want them to see it.
Bar codes are cool.
Some professional players are equipped with this feature, which provides great flexibility. Once the presentation material is placed on the DVD and referenced with bar codes, information can be presented in a wide variety of ways with single-button advancement. These presentations can be designed to fit the audience and are easily modified in less time than it takes to talk about it. Nearly everyone likes to play games, especially younger people. Because this is an interactive medium, games can be responsive with great depth of plot and graphics.