This property defines the Unicodes which belongs to Phoenician block
Characters like 𐤀,𐤁,𐤂, etc. are listed under Phoenician Block.
30 Characters are present in Phoenician Block starting with the Unicode point U+10900 that represents the character 𐤀.
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.