Dont-knock-twice-2016-www-7starhd-gives-hindi-org-dual-audio-720p-bluray-esub-900mb-1-mkv Guide

This stands for "English Subtitles," meaning the text is hardcoded or included as a selectable track.

This is the movie title. It’s a British supernatural horror film starring Katee Sackhoff ( Battlestar Galactica ), based on an urban legend about a child-stealing witch. This stands for "English Subtitles," meaning the text

The file extension stands for Matroska Video. It is a popular "container" format because it can hold multiple audio tracks, subtitle streams, and chapters all in one file. This stands for "English Subtitles

This is the file size. For a 720p movie, 900MB is considered a "highly compressed" rip, optimized for faster downloading and saving storage space while sacrificing some fine visual detail. This stands for "English Subtitles," meaning the text