This is a high-quality source, usually captured directly from a legitimate streaming service (like Netflix, HBO Max, or Disney+) rather than being recorded from a screen (like a CAM or TS rip). It represents near-original streaming quality.
1080p WEB-DL (courtesy of release group PENCURiMOViE) Language: Indonesian (with English subtitle track included – denoted by the "-en" in the filename)
: This part seems to indicate the source or possibly the ripping group that made the file available. "PENCURiMOViE" could be interpreted as a username or group name involved in making the video available.