init.m is a Mathematica initialization file.
EMF
(Mathematica Import/Export Format) Microsoft EMF format. Image file format. Used by the Windows operating system and by Microsoft applications as a graphics resource format. EMF is an acronym derived from ...
DemandIndex
AbsolutePointSize[d] is a graphics directive which specifies that points which follow are to be shown if possible as circular regions with absolute diameter d.
BoxRatios is an option for Graphics3D that gives the ratios of side lengths for the bounding box of the three-dimensional picture.
ButtonBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for cells that specifies settings for buttons within the cell.
ButtonSource is an option for the low-level function ButtonBox that specifies the first argument to give to the ButtonFunction for the button when the button is active and is ...
CellFrameMargins is an option for Cell which specifies the absolute margins in printer's points to leave inside a frame that is drawn around a cell.
ColorSeparate[image] gives a list of single-channel images corresponding to each of the color channels in image.ColorSeparate[image, colorspace] gives a list of images ...
CurveClosed is an option for JoinedCurve that specifies whether individual curve components should be closed curves.