Modern AutoCAD includes a full set of basic solid modeling and 3D tools, but lacks some of the more advanced capabilities of solid modelling applications. AutoCAD can coexist with such products as a 2D drafting tool. AutoCAD is a vector graphics drawing program. It uses primitive entities such as lines, polylines, circles, arcs, and text as the foundation for more complex objects.

Auto CAD is a program that is capable to create a 2 and 3 dimensional drawings.

Most designers use Auto for floor plans design, interior design and basally anything that involve with architect.