This property defines the Unicodes which have Sogdian script
Characters like 𐼀,𐼁,𐼂, etc. are listed under Sogdian Script.
40 Characters are present in Sogdian Script starting with the Unicode point U+10F00 that represents the character 𐼀.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.