Those dots are chracters that mostly blind people can read, but not by looking them, touching them, and since in the GBA they aren't rough, this is nothing for blind people. You should read them yourself, but first you need to learn them.
It is braille. But, just so you know, you should make sure you learn how to read braille in all capital letters. That's how it is on Pokemon. Trust me, I used an Almanac and it had all lower cased letters in it. ^-^;;; No wonder why I didn't get what the heck it said.