These functions begin with ART_group_. They perform operations on groups of marks. You can form any number of groups and assign them names. You may choose to group all shapes together, and then send them "to the back" using the ART_group_send_to_back() function.

• ART_group_access
• ART_group_bring_to_front
• ART_group_delete
• ART_group_edit_copy
• ART_group_edit_cut
• ART_group_select
• ART_group_send_to_back
• ART_group_visible