2011

Glossary
Commands associated with definitions are shown in parentheses at the end of the definition.
3D mesh primitive Basic mesh forms such as boxes, cones, cylinders, pyramids, wedges,
spheres, and tori.
3D view Any view where the UCS icon appears in rendered colored form; current visual style
is not 2D Wireframe, and the model is being viewed from an isometric view.
3Dconnexion Set of navigation tools used to reorient the current view of a model with a
3Dconnexion device.
absolute coordinates Coordinate values measured from a coordinate system's origin point.
See also origin, relative coordinates, user coordinate system (UCS), world coordinates, and
world coordinate system (WCS).
acquired point In the tracking or object snap tracking methods of locating a point, an
intermediate location used as a reference.
acquisition marker During tracking or object snap tracking, the temporary plus sign displayed
at the location of an acquired point.
action The smallest task or user interaction that can be recorded with the Action Recorder.
Action bar Toolbar-like UI that displays the actions associated with a parameter object.
action macro A series of recorded actions that can be played back in the active drawing.
action macro file A file that stores all the actions contained in an action macro. Action macro
files have the file extension .actm.
Action tree A control used to display the recorded actions in an action macro.
activate Part of the Autodesk software registration process. It allows you to run a product in
compliance with the product's end-user license agreement.
adaptive degradation A method of controlling performance that turns off features in a certain
order when performance falls below a specified level.
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