Try to keep it practical (like something that would be fairly doable, you just havent gotten around to it…yet)
There are apps that you can input text into and they can replace the characters in each word incrementally to help learn them. Wanna get into that
Keeping it practical, I’d like to know the basics about every regionally important city in the world. Capitals should be easy, I probably have most of them down already, and I have a few ideas about how to compile a list of the rest.