: This likely indicates a version or date stamp, specifically December 14, 2022 . The "U" might denote an "Update" or "Ultimate" version of the pack.
: This indicates that the total collection was too large for a single download. It has been split into multiple volumes using WinRAR or a similar utility. You would need all parts (part1, part2, etc.) in the same folder to successfully extract the contents. Potential Contexts ZOOpackCP_U-14-12-22.part3.rar
: This is the primary identifier. "ZOOpack" often refers to a collection of assets or mods, frequently associated with simulation games like Zoo Tycoon or Planet Zoo . "CP" could stand for "Community Pack" or "Content Pack." : This likely indicates a version or date