: Refers to a media file containing two separate audio tracks that users can switch between during playback (e.g., English and Hindi). This is a popular feature for viewers who prefer original soundtracks but may also want a dubbed version for convenience.

Searching for an typically indicates a search for a direct directory listing of Christopher Nolan's 2010 sci-fi masterpiece, Inception , featuring multiple language tracks—usually English and a local language like Hindi.