Used to specify style containers (DIV tags). In general, DIV tags correspond to line breaks.
[Alignment] list box
Used to specify the horizontal alignment of a style container.
[(Auto)] Does not specify alignment.
[Left] Left-justifies the text of a style container.
[Center] Centers the text of a style container.
[Right] Right-justifies the text of a style container.
You can also change the horizontal alignment with the "Format" toolbar.