This property defines the Unicodes which belongs to Anatolian Hieroglyphs block
Characters like 𔐀,𔐁,𔐂, etc. are listed under Anatolian Hieroglyphs Block.
584 Characters are present in Anatolian Hieroglyphs Block starting with the Unicode point U+14400 that represents the character 𔐀.
Currently, as per latest version 15.0.0, Unicode supports 328 number of Block. Here are a few examples - Latin Extended E,Adlam,Aegean Numbers, etc.