] represents a row of graphics objects.
] represents a two-dimensional array of graphics objects.
You can display a GraphicsArray object using Show.
GraphicsArray sets up identical rectangular display areas for each of the graphics objects it contains.
GraphicsArray takes the same options as Graphics, with the defaults for Ticks and FrameTicks changed to None.
GraphicsArray takes the additional option GraphicsSpacing, which specifies the spacing between the rectangular areas containing each graphics object. The default setting is GraphicsSpacing
The options DisplayFunction, ColorOutput and CharacterEncoding are ignored for graphics objects given inside GraphicsArray.
See the Mathematica book: Section 1.9.4, Section 2.9.1.
See also: Rectangle, RasterArray, TableForm, GridBox.
We create two simple plots, suppressing their display.
We the plots as the elements of a graphics array. In the second array the amount of spacing between the two plots is half the (horizontal) size of each plot.
Evaluate the cells to see the graphics.