Xbox achievements information and roadmap symbols

Does anybody nonetheless use the xbox achievements web site? I steadily use true achievements now as a result of it's in-built, nonetheless some video games it's simpler to make use of the xbox achievements information and roadmaps for missable achievements and collectable heavy video games. At the very least for me, what do you all do?

Nicely my essential query for anybody who's conversant in xbox achievements: Do you occur to know what the symbols within the image imply? The one one which's clickable is the (#) which exhibits who's unlocked it not too long ago.

Thanks for any replies. ✌️