This property defines the Unicodes which belongs to Ornamental Dingbats block
Characters like 🙐,🙑,🙒, etc. are listed under Ornamental Dingbats Block.
48 Characters are present in Ornamental Dingbats Block starting with the Unicode point U+1F650 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.