This property defines the Unicodes which belongs to Buginese block
Characters like ᨀ,ᨁ,ᨂ, etc. are listed under Buginese Block.
31 Characters are present in Buginese Block starting with the Unicode point U+1A00 that represents the character ᨀ.
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.