Scrollbars is an option for Pane that specifies whether scrollbars should be displayed.
SignificanceLevel is an option to VarianceTest and similar functions that controls cutoffs for diagnostic tests as well as test conclusions.
SpanLineThickness is an option for selections that specifies the thickness in printer's points of line-spanning characters such as \[Backslash][VerticalLine] and ...
StringInsert["string", " snew", n] yields a string with " snew" inserted starting at position n in " string". StringInsert["string", " snew", -n] inserts at position n from ...
StructuredSelection is an option for Cell that specifies whether to allow only complete subexpressions in the cell to be selected interactively using the front end.
StyleBox[boxes, options] is a low-level representation of boxes to be shown with the specified option settings. StyleBox[boxes, " style"] uses the option setting for the ...
StyleNameDialogSettings -> {opt -> val} is a global option that specifies the cell style displayed in the Custom Style dialog box.
StyleSheetPath is a global option that specifies which directories Mathematica searches to find stylesheets.
SubscriptBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for selections that specifies settings for SubscriptBox objects.
SubsuperscriptBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for selections that specifies settings for SubsuperscriptBox objects.