This property defines the Unicodes which belongs to CJK Strokes block
Characters like ㇀,㇁,㇂, etc. are listed under CJK Strokes Block.
37 Characters are present in CJK Strokes Block starting with the Unicode point U+31C0 that represents the character ㇀.
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.