It's a letter called a thorn. Its from old English, and was used for the 'th' sound. Its been largely removed from the languages that used to use it. I dunno why they have decided to try to bring it back, but that's what the letter is.
Those might get mistaken for directional buttons. I had the same thought. Maybe I triangle with the point in the direction of the button, but you may run into the same issue.
I think to avoid that, it might be easiest to just show the four button layout with the correct button highlighted.
There are a ton of distros that work well for gaming. I am currently running CachyOS. It was easy to get set up, runs smoothly, and I've been happy with it so far.
I don't think vegetable is a botanical term. So fruit and vegetable aren't really mutually exclusive.
Using Apple Wallet notifications to push ads is pretty bad. That certainly isn't why people enable those notifications. I think thirsty is a weird way to describe it, but it definitely looks desperate.