Noncharacter Code Points are reserved code points in Unicode that should not be used in text data. They serve specific functions within the Unicode standard and are not intended for representing characters in written text.
As of Unicode Version 15.0.0, there are 2 different Noncharacter Code Point.
No, the Noncharacter Code Point property is a binary property, which means it can only have one of two values: Yes or No. There are no specific values or levels associated with it.