Rotates the currently selected objects
Mode: this allows the user to specify which axis the objects will rotate in
Plane: this allows the user to specify which plane the objects will rotate in. This sets the plane button on the set of mode buttons
Co-ordinates: which co-ordinate system to use for the rotation. World is the overall co-ordinate system, Local is relative to the objects, Parent is relative to the owning object. If any object does not have parent this defaults to the world co-ordinates system.
Lock Children: when checked, stops the children of the object being rotated with their parent
Delta: allows the user to specify a value to rotate the object by
Apply: rotates the
objects by the delta value