The "1-4" usually designates that this specific archive contains the first four segments, books, or major arcs of the series.
Always verify the source of a .zip file. If you downloaded this from a public forum or file-sharing site, it is recommended to run it through a VirusTotal scan before extracting. File: [Goldenmaster]First Contact 1-4.zip ...
Most "Goldenmaster" archives are community-curated versions designed to clean up typos and formatting from the original Reddit posts. The "1-4" usually designates that this specific archive
This file typically refers to the initial chapters or volumes of the science fiction story "First Contact" written by the author Ralts_Bloodthorne (originally serialized on Reddit's r/HFY). File: [Goldenmaster]First Contact 1-4.zip ...