This property defines the Unicodes which allows line break after a Hangul leading jamo character
Characters like ᄀ,ᄁ,ᄂ, etc. are listed under Hangul Leading Jamo Line Break.
125 Characters are present in Hangul Leading Jamo Line Break starting with the Unicode point U+1100 that represents the character ᄀ.
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.