In UML diagrams, you can
better organize the diagram layout by aligning elements in various
ways.
About this task
You can align elements vertically or horizontally. When you
align selected elements, they align to the diagram element that you
select last and that has filled sizing handles. Grouped diagram elements,
that you select by using the Marquee selection tool in the
Palette,
are aligned by the boundary of the group, not by the individual diagram
elements in the group.
You can also use rulers and guidelines or
a grid coordinate system to align the elements in a diagram.
To
align diagram elements: