Enlighten me as to the Disk functions

[BigCrustyOne]

Here is a link to what I see in the btop disks info: https://imgur.com/x8T3nWZ

This is a Intel NUC running Debian 12 headless and btop is in a docker container with elevated privileges. My only drive is an NVME ssd.

I'm at a complete loss as to what is being shown here. Clearly, localtime, resolve.conf, hostname, hosts, & btop are reporting the same drive, which is /dev/sda. Why is it not just showing me /dev/sda?? The disk filter functions and enabling fstab do nothing for me. I assume that "hostname" refers to the system itself, but why are localtime, btop, hosts, and resolve.conf listed as drives? Is there any way I can get btop to simply report the space and/or i/o of my drive?

ADDENDUM:

I've now come to understand that part of the issue here is that I'm running in a docker container. I've managed to exclude some of the "drives" being shown (localtime, resolv.conf, hosts, hostname, etc.) by excluding their /etc/... paths. I'd still like to understand how I can obtain a simply report on /dev/sda in a docker container.