...The user specifies machining aspects during object creation so that when the design/layout phase is completed the toolpath generation can occur automatically.
What is 2.5D? Objects created are flat (2D) but have a depth component. So you can create a square that will be machined at a specific depth but the depth will be constant accross the square.
It is not/does not:
A general purpose CAD (AutoCAD) type program.
Support reference dimension on the drawing.
Export or import major CAD file formats.