This property defines the Decomposition Type of the Unicodes as Final Presentation Form
Characters like ﭑ,ﭓ,ﭗ, etc. are listed under Final Presentation Form Decomposition Type.
240 Characters are present in Final Presentation Form Decomposition Type starting with the Unicode point U+FB51 that represents the character ﭑ.
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.