This property defines the Unicodes which belongs to Adlam block
Characters like 𞤀,𞤁,𞤂, etc. are listed under Adlam Block.
90 Characters are present in Adlam Block starting with the Unicode point U+1E900 that represents the character 𞤀.
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.