This property defines the Unicodes which are used to indicate that two characters should be connected without a visible line break
Characters like , etc. are listed under Zero Width Joiner Line Break.
1 Characters are present in Zero Width Joiner Line Break starting with the Unicode point U+200D 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.