This property defines the Unicodes which belongs to Ancient Symbols block
Characters like 𐆐,𐆑,𐆒, etc. are listed under Ancient Symbols Block.
16 Characters are present in Ancient Symbols Block starting with the Unicode point U+10190 that represents the character 𐆐.
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.