These ActiveX objects all start with 'R'.
A raster image consisting of a rectangular grid (or raster) of small squares or dots known as pixels.
A semi-infinite line.
A bounded planar face consisting of lines, circles, arcs, elliptical arcs, and spline curves.
An external application that has been added to the drawing.
The collection of all registered applications in the drawing.
A surface created by revolving one or more 2D objects about an axis.