In a typical Mathematica package, there are generally two kinds of new symbols that are introduced. The first kind are ones that you want to 'export' for use outside the ...
Save Graphic As saves the selected (or clicked upon) graphic in a file with the specified format.
Save Image As saves the selected (or clicked upon) graphic in a file with the specified format.
CellProlog is an option to Cell that gives an expression to evaluate before each ordinary evaluation of the contents of the cell.
ColumnsEqual is an option for the low-level function GridBox which specifies whether all columns in the grid should be assigned equal width.
CurrentImage[] returns the current image captured from a connected camera.CurrentImage[n] returns n sequential image frames as a list.
DefaultMenuStyle is a low-level option for menu-generating constructs that specifies the default style to use for displaying menu items.
DefaultOptions is a style option that allows default options to be specified for particular formatting and related constructs.
Delimiter represents a delimiter to be displayed in objects such as PopupMenu and Manipulate.
Resampling is an option that specifies the method to be used for resampling images.