Crash.landing.on.you.s01.korean.2160p.nf.web-dl...

For the uninitiated, that jumble of text tells a clear story:

The KOREAN tag also implies lossless or high-quality Korean audio. Netflix’s WEB-DLs typically include E-AC-3 (Dolby Digital Plus) at 640 kbps for 5.1 surround—sometimes with Atmos metadata. For this show, listen for: Crash.Landing.on.You.S01.KOREAN.2160p.NF.WEB-DL...

You get the cleanest possible image without the "blocky" artifacts often seen in lower-resolution encodes. For the uninitiated, that jumble of text tells

Jeong-hyeok’s loyal squad of four soldiers becomes Se-ri's unlikely family, helping keep her presence a secret while providing much of the show's comedy. For the uninitiated