Method is an option for various algorithm-intensive functions that specifies what internal methods they should use.

Modal is an option to functions such as CreateDialog that specifies whether the dialog that is created should be modal to the Mathematica front end.

NameQ["string"] yields True if there are any symbols whose names match the string pattern given, and yields False otherwise.

NullWords is an option for Read and related functions which specifies whether null words should be taken to exist between repeated word separators.

NumberFieldNormRepresentatives[a, m] gives a list of representatives of classes of algebraic integers of norm \[PlusMinus]m in the field \[DoubleStruckCapitalQ][a] generated ...

NumberString represents the characters of a number in StringExpression.

PageBreakAbove is an option for Cell which specifies whether a page break should be made immediately above the cell if the notebook that contains the cell is printed.

PageBreakBelow is an option for Cell which specifies whether a page break should be made immediately below the cell if the notebook that contains the cell is printed.

PageBreakWithin is an option for Cell which specifies whether a page break should be allowed within the cell if the notebook that contains the cell is printed.

PageFooters is an option for notebooks that specifies what should be inserted as the footer of each page of a notebook when it is printed.