This property defines the Unicodes which are of Right Joining Type
Characters like آ,أ,ؤ, etc. are listed under Right Joining Joining Type.
152 Characters are present in Right Joining Joining Type starting with the Unicode point U+0622 that represents the character آ.
Currently, as per latest version 15.0.0, Unicode supports 6 number of Joining Type. Here are a few examples - Dual Joining,Join Causing,Left Joining, etc.