This property defines the Unicodes which belongs to Cherokee Supplement block
Characters like ꭰ,ꭱ,ꭲ, etc. are listed under Cherokee Supplement Block.
80 Characters are present in Cherokee Supplement Block starting with the Unicode point U+AB70 that represents the character ꭰ.
Currently, as per latest version 15.0.0, Unicode supports 328 number of Block. Here are a few examples - Latin Extended E,Adlam,Aegean Numbers, etc.