So far, you have used your mouse to move a shape by selecting the shape, holding down the mouse key and then dragging the shape to its new location.
You can also select more than one shape and move all shapes at the same time.
When you move a shape, any correctly connected connection lines will be glued to the shape so you do not have to reattach these.
If you hold down the Shift key while you try to move a selected shape you are restricted to movement in the horizontal or vertical plane. This is great if you need to move your shape either horizontally or vertically. Holding down the shift key will also prevent the shape skewing out in the other direction.
If you quickly need to rotate a shape, you can hold ...