Two Dimension 2D:
LINE, points, curves, edit drawing, line type, weight, text, dimensions, style, saving, circle, arcs, ellipse, donut, viewing, mirror, copy, move, array polar rectangular, parametric, annotate, Express tools, zooming, union, intersect, subtract region. Block creation, block editing, layer creating single and multi line text, array-polar-rectangular, dimension.
Three Dimension 3D:
Surface with thickness, UCS (object, face, view, origin, box, cones sphere, dome, Dish, Mesh, editing modifying Union, split, subtract, intersect, view, Extrude, stretch, array, scale, Revolved Surface, revsurf, extrude, slice.