This property defines the Unicodes which belongs to Ideographic Symbols block
Characters like 𖿠,𖿡,𖿢, etc. are listed under Ideographic Symbols Block.
9 Characters are present in Ideographic Symbols Block starting with the Unicode point U+16FE0 that represents the character 𖿠.
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.