The Objects menu

Properties toolbar
display the properties toolbar (this is also the default secondary toolbar). This toolbar allows changing properties such as colors and fonts of the selected objects.
Group
Group currently selected objects
Ungroup object
Ungroup currently selected objects

Link
link the currently selected object to a base
Unlink object
Unlink the currently selected object

Raise object
Raise the selection in the stacking order
Lower object
Lower the selection in the stacking order
Raise to top
Move the selection to the front
Lower to bottom
Move the selection to the back

Hide
Hide the currently selected objects
Unhide
Unhide the currently selected objects.