Controls options that optimize the way you work.

The following options are displayed.
Controls keystroke and right-click behavior.
Controls the double click editing behavior in the drawing area.
(DBLCLKEDIT system variable)
Controls whether Default, Edit, and Command mode shortcut menus are available in the drawing area.
If this option is cleared, right-click is interpreted as Enter. (SHORTCUTMENU system variable)
Displays the Right-Click Customization dialog box. This dialog box provides further definition for the Shortcut Menus in Drawing Area option. (SHORTCUTMENU system variable)
Controls the default scale for inserting blocks and drawings into a drawing.
If Unspecified-Unitless is selected, the object is not scaled when inserted. (INSUNITSDEFSOURCE system variable)
Sets target drawing units value when INSUNITS is set to 0.
(INSUNITSDEFTARGET system variable)
Sets preferences related to fields.
Controls whether fields are displayed with a gray background.
When this option is cleared, fields are displayed with the same background as any text. (FIELDDISPLAY system variable)
Displays the Field Update Settings dialog box. (FIELDEVAL system variable)
Priority for Coordinate Data Entry
Controls whether coordinates entered on the command line will override running object snaps.
(OSNAPCOORD system variable)
Controls whether associative dimension objects or legacy-style, nonassociative dimension objects are created.
Creates associative dimensions, which automatically adjust their locations, orientations, and measurement values when the geometric objects associated with them are modified. (DIMASSOC system variable)
Controls settings that relate to the display properties of hyperlinks.
Controls the display of the hyperlink cursor, tooltips, and shortcut menu.
The shortcut menu provides additional hyperlink options when you select an object that contains a hyperlink and then right-click in the drawing area. (HYPERLINKOPTIONS command)
Displays the Initial Setup dialog box which is used to perform some basic customization of AutoCAD.
For information, see Customize AutoCAD with Initial Setup.
Displays the Block Editor Settings dialog box. Use this dialog box to control the environment settings of the Block Editor.
Displays the Lineweight Settings dialog box. Use this dialog box to set lineweight options, such as display properties and defaults, and also to set the current lineweight.
Displays the Default Scale List dialog box. Use this dialog box to manage the default list of scales displayed in several dialog boxes associated with layout viewports and plotting. You can delete all custom scales and restore the default list of scales.