This property defines the Unicodes which belongs to CJK Unified Ideographs Extension F block
Characters like 𬺰,𬺱,𬺲, etc. are listed under CJK Unified Ideographs Extension F Block.
7474 Characters are present in CJK Unified Ideographs Extension F Block starting with the Unicode point U+2CEB0 that represents the character 𬺰.
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.