OutputAutoOverwrite is an option for notebooks that specifies whether the output of a command should replace any existing output from a previous evaluation.
OverscriptBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option that specifies the style and display of OverscriptBox constructs.
PasteBoxFormInlineCells is an option for cells that specifies whether a new inline cell is created when a typeset expression is pasted into a non-box-type cell.
PodWidth is an option for WolframAlpha that determines the width parameters of the content returned by the Wolfram|Alpha API.
PrintPrecision is an option for selections that specifies the maximum number of digits used for displaying a machine-precision number.
RadicalBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for selections that specifies settings for RadicalBox objects.
RowAlignments is an option for the low-level function GridBox that specifies how entries in each row should be aligned.
RowMinHeight is an option for the low-level function GridBox that specifies the minimum total height in units of font size that should be allowed for each row.
SameTest is an option whose setting gives a pairwise comparison function to determine whether expressions should be considered the same.
SaveAutoDelete is an option for ErrorBox objects that specifies whether the ErrorBox is automatically deleted when the notebook containing it is saved.