This property defines the Unicodes which belongs to Linear B Syllabary block
Characters like 𐀀,𐀁,𐀂, etc. are listed under Linear B Syllabary Block.
94 Characters are present in Linear B Syllabary Block starting with the Unicode point U+10000 that represents the character 𐀀.
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.