This property defines the Unicodes which belongs to Tangut Supplement block
Characters like 𘴀,𘴁,𘴂, etc. are listed under Tangut Supplement Block.
10 Characters are present in Tangut Supplement Block starting with the Unicode point U+18D00 that represents the character 𘴀.
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.