: If this is part of a larger set (as the "1-9" suggests), you may need all nine files in the same folder before you can successfully extract the contents.

How to see the content list in a RAR file in Quick View. - ghisler.ch

: This likely refers to the source website or domain where the file was hosted or cataloged.

Do you need help required to open this file, or

: This is often a shorthand code or tag used by specific release groups or for internal indexing.