This property defines the Unicodes which belongs to Cyrillic Extended A block
Characters like ⷠ,ⷡ,ⷢ, etc. are listed under Cyrillic Extended A Block.
32 Characters are present in Cyrillic Extended A Block starting with the Unicode point U+2DE0 that represents the character ⷠ.
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.