This refers to the video resolution (Full HD, 1920x1080 pixels). In a "repacked" version, while the resolution remains high, the "bitrate" is often lowered, which can sometimes lead to visual artifacts or "softness" in high-action scenes compared to a full Blu-ray source. Why 300 is Popular in High Definition
(If you want, I can provide related search-term suggestions.) 300 Dual Audio 1080p Download REPACK