The "x264" part of the string refers to the video codec used to encode the movie file. In this case, the movie is encoded using the H.264 codec, which is a widely used and efficient codec.

The "WEB-DL" part of the string indicates that the movie file was downloaded directly from a web source, likely a streaming platform or a website that offers movie downloads.

The "ESub" in the string suggests that the movie file includes English subtitles. This is a useful feature for users who prefer to watch movies with subtitles or who do not speak the language of the movie.