Undo the last action you performed.
This menu item is not available unless you have unsaved changes to the current scene.
Redo the last action you undid. This menu item is not available unless you have used ->.
Cut the currently selected object(s) from the scene, and store them on the clipboard.
Copy the currently selected object(s), and store them on the clipboard.
Paste the contents of the clipboard.
Delete the currently selected object(s) from the scene.