In the field of architecture and design, autocad is one Answer. AutoCAD can be used to draw in 2D and 3D.
2D means the picture is more simple and flat. just as we draw on a piece of paper, or the images. This facility is widely used for drawing machines, home design, equipment, or other 2D objects with detailed and accurate.
3D means creating an object that can be seen from all side. With 3D facility then the result will be more real picture plus the coloring and lighting is good, it can be used to draw objects that are similar to the original.