This property defines the Unicodes which are break opportunity when following a character with an Alphabetic property
Characters like #,&,*, etc. are listed under Alphabetic Line Break.
22215 Characters are present in Alphabetic Line Break starting with the Unicode point U+0023 that represents the character #.
Currently, as per latest version 15.0.0, Unicode supports 43 number of Line Break. Here are a few examples - Alphabetic,Alphabetic or Ideograph,Break After, etc.