NumberMarks is an option for InputForm and related functions that specifies whether ` marks should be included in the printed forms of approximate numbers.
NumberSigns is an option for NumberForm and related functions which gives strings to use as signs for negative and positive numbers.
PerformanceGoal is an option for plotting and various other algorithmic functions that specifies what aspect of performance to try to optimize with Automatic settings for ...
PlotLayout is an option used by WaveletListPlot and similar functions to specify the layout of multiple plots.
PlotPoints is an option for plotting functions that specifies how many initial sample points to use.
PlotRegion is an option for graphics functions that specifies what region of the final display area a plot should fill.
RasterSize is an option for Rasterize and related functions that determines the absolute pixel size of the raster generated.
ReferenceLineStyle is an option for QuantilePlot and similar functions that specifies the style used for the reference line.
RowBox
(Built-in Mathematica Symbol) RowBox[{box_1, box_2, ...}] is a low-level box construct that represents a row of boxes or strings in a notebook expression.
SectorSpacing is an option to PieChart and related functions that specifies radial spacing of sectors.