This property defines the Unicodes which have Hangul script
Characters like ᄀ,ᄁ,ᄂ, etc. are listed under Hangul Script.
11739 Characters are present in Hangul Script starting with the Unicode point U+1100 that represents the character ᄀ.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.