This property defines the Unicodes which belongs to Cuneiform block
Characters like 𒀀,𒀁,𒀂, etc. are listed under Cuneiform Block.
923 Characters are present in Cuneiform Block starting with the Unicode point U+12000 that represents the character 𒀀.
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.