For a long time, I’ve just put on DejaVu fonts and been done with it. Generally good enough Unicode coverage for me. But I know it’s been years since DejaVu’s been updated, and I wonder what’s very common today.
[As for the terminal, I’m guessing it’s usually still the standard fixed Unicode fonts?]
Not common, perhaps, but I like to download Atkinson Hyperlegible.
My #1 choice, although I don’t like the q, i or a. Still feels more airy than IBM Plex (my #2 choice).