This property defines the Unicodes which allows line break after ideographic character
Characters like ⌚,⌛,⏰, etc. are listed under Ideographic Line Break.
109912 Characters are present in Ideographic Line Break starting with the Unicode point U+231A 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.