Yeah you're definitely on point with my short term memory, it's generally pretty awful. I always say my mind's like a sieve lol. I'm also nervous going pretty much anywhere so that doesn't help and when I do get lost, you're right, I panic quite a bit.
I do study google maps and constantly pore over it for hours the day before going anywhere just to check and recheck that I know where I'm going. It's following it in the moment that I have a lot of trouble with, I tend to second guess myself and being dyslexic doesn't help either because I read bus numbers and places wrong. It's a whole mess haha
Making notes is something I really need to start doing more of, I remember doing this when I was new to public transport, and it was helpful, never thought about noting landmarks though. Thank you so much for that tip, I'm definitely gonna try that
As far as apps go, I've just searched up OS locate as I hadn't heard of it before and I have no idea how to read a compass lol is this something I should try learning?
I also did download What Three Words but as far as I know it's just for letting emergency services know exactly where you are if you don't have access to any coordinates? I'm not sure though, I'll look into using it for route finding hopefully it'll help. I also don't tend to use physical maps but the idea of taking pictures to plot on them would be a fun little activity I think to help me get a little more familiar with an area, I might give that one a go!
Thank you so much for the reply, these are all great tips

It's definitely something I'm going to have to put a little work into getting better at because at the moment it's a little ridiculous lol