
This indicates the source material. A "WEB-DL" is a lossless rip from a streaming service (like Netflix, Amazon, or iTunes). It is generally superior to a "WEBRip" because it involves no transcoding from the source.
The release tag provides specific details about the video quality and encoding: Almost Friends (2016) Almost.Friends.2016.720p.WEB-DL.2CH.x265.HEVC-PSA
This specific release by follows their standard high-efficiency encoding format: Filename: Almost.Friends.2016.720p.WEB-DL.2CH.x265.HEVC-PSA Resolution: 1280 x 720 (720p) Source: WEB-DL (Clean digital source from streaming/retail) This indicates the source material