Group
Drawing|Modify|Group
Short key: Ctrl + 9
Function to edit group.
A group is a number of objects that are linked to one another. Some groups are connected automatically - such as contour lines, dimensions, slope hatches. Other groups can be created manually.
A group can be selected all at once. All modify commands will then apply to the whole group.
A group can contain subgroups.
To create a group go to the Group command.
To modify a group:
Add
Adds an object to the selected group.
Remove
Removes an object from the selected group.