This property defines the Unicodes which have Tagbanwa script
Characters like ᝠ,ᝡ,ᝢ, etc. are listed under Tagbanwa Script.
18 Characters are present in Tagbanwa Script starting with the Unicode point U+1760 that represents the character ᝠ.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.