: Most .rar sets include CRC32 or MD5 hashes. When you extract this specific part, the software verifies the integrity of the data to ensure the final product isn't corrupted. Usage Warning
: To access the contents, you must have all parts (part01 through the final segment) in the same folder. Opening part01 triggers the extraction engine to automatically "stitch" the data from part09 back into the original file. GF171022-APTR-GG.part09.rar
: Likely a release date (October 22, 2017) or a internal project ID. : Most
: Frequently stands for "Good Game" or relates to specific scene release groups. GF171022-APTR-GG.part09.rar