If these are source packages, they are intended to be used with the Void Linux xbps-src build system within a void-packages directory. To give you a better write-up, I need to know:
This archive contains packages designed for the Void Linux environment, a Linux distribution that uses runit and the xbps package management system. Files with this designation often include: Updated source codes for various software packages. System patches and configuration fixes. Component updates to maintain system stability. Key Components (2020-02-14 Context) HD 20200214.rar
(Are these source files, patches, or a backup?) If these are source packages, they are intended
Various adobe font packs or localization tools. Usage Notes If these are source packages
Based on contemporaneous repository structures, files from this date may contain or relate to: Updates to alsa-lib and alsa-utils .