You can move a class to a different location in the layout by clicking and dragging it to the correct position.
You can align classes to one another by selecting the classes you want to align and then clicking one of the Position buttons within the Design ribbon. Use Align Left, Align Top, Align Right, and Align Bottom to align classes with one another. You can select multiple classes by pressing Shift on the keyboard while clicking on the classes or you can click and drag across the classes you want to select.
If you want to organize classes by their position in the class hierarchy, you can click Horizontal or Vertical from the Design ribbon. When you click Horizontal, each level of the hierarchy is aligned horizontally. When you click Vertical, each level of the hierarchy is aligned vertically.