This property defines the Unicodes which belongs to Tangut block
Characters like 𗀀,𗀁,𗀂, etc. are listed under Tangut Block.
6137 Characters are present in Tangut Block starting with the Unicode point U+17000 that represents the character 𗀀.
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.