This property defines the Unicodes which belongs to Tamil block
Characters like ஂ,ஃ,அ, etc. are listed under Tamil Block.
89 Characters are present in Tamil Block starting with the Unicode point U+0B82 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.