Autodesk AUTOCAD 2006 Command Reference Manual page 511

Find Name
Lists the groups to which an object belongs.
Pick a member of a group: Select one object
The Group Member List dialog box is displayed, showing the groups to
which the object belongs.
Group Name
Specifies the group name. Group names can be up to 31 characters long
and can include letters, numbers, and the special characters dollar sign ($),
hyphen (-), and underscore (_) but not spaces. The name is converted to
uppercase characters.
Highlight
Shows the members of the selected group in the drawing area.
Include Unnamed
Specifies whether unnamed groups are listed. When this option is cleared,
only named groups are displayed.
New
Creates a new group from the selected objects, using the name and
description under Group Name and Description.
desk, computer, and
telephone selected
The group name is displayed in the Group Name list.
Re-Order
Displays the Order Group Dialog Box, in which you can change the
numerical order of objects within the selected group. Objects are numbered
in the order in which you select them for inclusion in the group. Reordering
is useful when creating tool paths. For example, you can change the cut
order for the horizontal and vertical lines of a tool path pattern.
Object Grouping Dialog Box | 487