This property defines the Unicodes which have Egyptian Hieroglyphs script
Characters like 𓀀,𓀁,𓀂, etc. are listed under Egyptian Hieroglyphs Script.
1110 Characters are present in Egyptian Hieroglyphs Script starting with the Unicode point U+13000 that represents the character 𓀀.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.