- basic wheels 
- A reference to the View Object wheel and Tour Building wheel. 
- big wheels 
- The large version of the SteeringWheels. Labels are displayed on each wheel wedge and they are larger than the size of the cursor. 
- heads-up display (HUD) 
- The process of transparently displaying user interface elements on top of or over the drawing area without obscuring the view of the objects drawn on the drawing area. 
- mini wheels 
- The small version of SteeringWheels. No labels are displayed on any of the wedges, and they are often the size of the cursor. 
- rewind 
- Restores the previous view or movement path created by the Autodesk® ViewCube® navigation tool, SteeringWheels®, and other navigation tools. 
- selection sensitivity 
- The ability to define the pivot point for reorienting a model based on the current selection. 
- SteeringWheels 
- Tool set that provides access to 2D and 3D navigation tools. 
- tool message 
- A small instructional message that appears over the drawing window and is specific to the active navigation tool from a SteeringWheel. 
- tracking menu 
- A cluster of buttons that follows the cursor as you move it over the window. 
- wheel 
- A reference to one of the individual user interface elements that make up SteeringWheels. See also SteeringWheels. 
- wheel surface 
- Area of a SteeringWheel that is used to organize wedges and other buttons. 
- wheel wedge 
- A section on the surface of a SteeringWheel that is designated for a specific navigation or orientation tool. 
- wheels 
- A reference to more than one of the individual user interface elements that make up SteeringWheels. See also SteeringWheels.