This property defines the Unicodes which have Bamum script
Characters like ꚠ,ꚡ,ꚢ, etc. are listed under Bamum Script.
657 Characters are present in Bamum Script starting with the Unicode point U+A6A0 that represents the character ꚠ.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.