A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
Probably you're moving the mouse slightly while right clicking. That'll give you the various Move/Copy choices you're seeing.
Try holding the mouse very still while right clicking. If that doesn't help, there may be some other problem that's triggering this behavior.
Alternatively, use Ctrl+X to Cut, Ctrl+C to Copy, Ctrl+V to Paste.