This property defines the Unicodes which belongs to Kawi block
Characters like 𑼀,𑼁,𑼂, etc. are listed under Kawi Block.
89 Characters are present in Kawi Block starting with the Unicode point U+11F00 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.