This property defines the Decomposition Type of the Unicodes as Initial Presentation Form
Characters like ﭔ,ﭘ,ﭜ, etc. are listed under Initial Presentation Form Decomposition Type.
171 Characters are present in Initial Presentation Form Decomposition Type starting with the Unicode point U+FB54 that represents the character ﭔ.
Currently, as per latest version 15.0.0, Unicode supports 18 number of Decomposition Type. Here are a few examples - Canonical Decomposition,Compatibility,Enclosing Mark, etc.