Low.tide.2019.multi.1080p.amzn.web-dl.h264.ddp5...

: Stands for Dolby Digital Plus 5.1 surround sound, indicating high-quality audio with six channels.

: The video compression codec used (also known as AVC). It is the most common format for HD video. Low.Tide.2019.MULTi.1080p.AMZN.WEB-DL.H264.DDP5...

: Short for Amazon, identifying the source of the file (it was ripped from Amazon Prime Video). : Stands for Dolby Digital Plus 5