This property defines the Unicodes which have New Tai Lue script
Characters like ᦀ,ᦁ,ᦂ, etc. are listed under New Tai Lue Script.
83 Characters are present in New Tai Lue Script starting with the Unicode point U+1980 that represents the character ᦀ.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.