This property defines the Unicodes which belongs to Domino block
Characters like 🀰,🀱,🀲, etc. are listed under Domino Block.
101 Characters are present in Domino Block starting with the Unicode point U+1F030 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.