In Pictures: 10 tips for giving killer presentatio...
8. Group multiple objects in your prezi.
When creating prezis, it's easy to lose your formatting when shifting multiple objects. If two or more items need to remain together, you can group them by clicking the first object, then holding down the Ctrl (or Command) key while clicking on other objects. This groups objects temporarily; when you click outside the grouping box, the objects will no longer be grouped.
You can lock the group together permanently by clicking on the lock icon that appears when you group the objects. Grouped objects don't just move together; you can also manipulate the whole group's layer position in the prezi or its path.
In Pictures: 10 tips for giving killer presentations with the new Prezi