User your mouse for selecting, moving and resizing objects. Use right-click to open pop-up context sensitive menu.
Click on object to select it. It's indicated by red frame around it. By holding Ctrl key and clicking on objects, you can select more then one object.
You can also drag your mouse while holding left mouse button to select all objects in region. Clicking anywhere beside objects deselects all objects.
You can move objects anywhere in side bounds. You cannot move objects outside bounds, therefore you cannot move objects from one side to another รป use copy/cut & paste instead.
You can resize object by dragging edges of it while it's selected. Press and hold Ctrl key to preserve aspect ratio of object. You cannot resize text objects with Autosize option turned on and circled text objects. Resized pictures you can reset to their original size.