refers to a single video file containing two or more audio tracks (e.g., English + Hindi, or Hindi + Tamil). This is highly sought after because:

9xflix is part of a broader network of torrent and illegal streaming sites that index pirated entertainment content. The terms within the search query highlight exactly what users look for when navigating these platforms:

To understand why this phrase is so popular, it helps to break down what users are looking for when they type it into a search bar: