This property defines the Unicodes which are Initial Punctuations
Characters like «,‘,‛, etc. are listed under Initial Punctuation General Category.
12 Characters are present in Initial Punctuation General Category starting with the Unicode point U+00AB that represents the character «.
Currently, as per latest version 15.0.0, Unicode supports 30 number of General Category. Here are a few examples - Close Punctuation,Connector Punctuation,Control Character, etc.