TIL CJK compatibilty ideographs (often used to put a lot of symbols in fonts such as 着 which displays as the Wii logo on my machine) were originally allocated to support older standards for storing Ch

Sorry for the confusing title. Basically before Unicode, a bunch of different standards for storing Chinese characters (also used in Korean and Japanese which also have some of their own derivatives) emerged. When Unicode sought to unify every standard they of course had to add compatibility for older standards so for all the different CJK standards they reserved this block. A bunch of fonts saw this space as free font estate and added a bunch of symbols in here for some reason.