1. Interface and Icons understanding Channel Box, Tool Box, Shelf, Viewports, etc.
2. Orthographic Views Top, Front, and Side are Orthographic views that is a 2D view with no tumbling involve. Only the Perspective view can be tumbled, with Yaw and Pitch control. All views can Pan and Dolly (Zoom).
3. Primitives Spheres, Cylinders, Torus, etc. (NURBS –non-uniform Rational B-Spline & Polygons).
4. Channel Box updating the parameters in the channel box can change the geometry...