What is in the 'other' category and how can I reduce or eliminate the space it takes up?

How to free up storage space on your Mac

• Other: Contains files that don’t fall into the categories listed here. This category primarily includes files and data used by the system, such as log files, caches, VM files, and other runtime system resources. Also included are temporary files, fonts, app support files, and plug-ins. You can't manage the contents of this category. The contents are managed by macOS, and the category varies in size depending on the current state of your Mac.

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The only area that can be controlled has to be under your Direct Control like documents, videos, movies, podcasts, pictures, old iPhone Backups etc. and non-cleared Time Machine Backup Snapshots.

What is “Other” storage on a Mac, and how can I clean it out?

How to free up storage space on your Mac

OmniDiskSweeper A Trusted Application for even more in-depth view of your controlled files.