This is a "release group" tag. Groups like ION10 are known for consistent encoding standards, often providing standard-definition (SD) versions of popular content.
Use services like JustWatch or Reelgood to see which legal platform currently hosts the series. Download Island the Monsoon S01E05 WEBRip x264 ION10 mp4
This indicates the file was captured from a streaming service (like Netflix, Hulu, or Amazon) rather than a physical disc or a TV broadcast. This is a "release group" tag
This refers to the video compression standard used. It’s highly efficient, allowing for high-definition video at relatively small file sizes. Download Island the Monsoon S01E05 WEBRip x264 ION10 mp4