The "2K" prefix followed by a number is frequently used by individual creators or small groups to catalog specific sets of media.
inside the archive (if your software allows viewing without extraction) for a README.txt or .nfo file, which usually contains the "write-up" or description you are looking for. 2K 097.rar
If you have not already downloaded or opened this file, it is best to verify the source. If you must open it: The "2K" prefix followed by a number is