You can use menu commands to quickly move elements on the same page into alignment.
Left: Positions elements so that their left edges align vertically to the first object you select.
Center: Positions elements so that their centers align vertically to the first object you select.
Right: Positions elements so that their right edges align vertically to the first object you select.
Top: Positions elements so that their top edges align horizontally to the first object you select.
Middle: Positions elements so that their centers align horizontally to the first object you select.
Bottom: Positions elements so that their bottoms edges align horizontally to the first object you select.
You can also align elements relative to one another by dragging them and using alignment guides to determine when the elements are correctly positioned. See Using Alignment Guides for more information.