This indicates the vertical resolution of the video (High Definition).
If you are looking at a file named gaachi-part-1-2022-s01-hindi-ullu-originals-www-7starhd-social-720p-hdrip-300mb-1.mkv , here is what those tags mean: This indicates the vertical resolution of the video
This is the file size. For a 720p file, 300MB suggests a "highly compressed" version (often using x265/HEVC encoding) to save data while maintaining decent quality. This indicates the vertical resolution of the video
The string you provided refers to a specific digital file for the Indian web series , released in 2022 on the Ullu streaming platform. This indicates the vertical resolution of the video
These are "tags" added by the specific group or website that uploaded or encoded this version of the file. Where to Watch Officially