This property defines the Unicodes which have Bidirectional Class as Segment Separator
Characters like ,,, etc. are listed under Segment Separator Bidi Class.
3 Characters are present in Segment Separator Bidi Class starting with the Unicode point U+0009 that represents the character .
Currently, as per latest version 15.0.0, Unicode supports 23 number of Bidi Class. Here are a few examples - Arabic Letter,Arabic Number,Block Separator, etc.