#3
It's not really the same. AutoCAD's named plot styles are able to screen the colors for individual objects and layers, so that a color can be plotted in various shades in the same drawing. This also effectively gives a possibility of 100 tones for each color, or 25600 colors in all. This is very useful for rendering of 2D drawings.
IntelliCAD should implement this feature as soon as possible
IntelliCAD should implement this feature as soon as possible