This property defines the Unicodes which are line break opportunity when preceded by a leading Hangul character and followed by a trailing Hangul character
Characters like 각,갂,갃, etc. are listed under Hangul Leading Vowel Traling Syllable Line Break.
10773 Characters are present in Hangul Leading Vowel Traling Syllable Line Break starting with the Unicode point U+AC01 that represents the character 각.
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.