The Align submenu has commands for moving shapes drawn in the Shape window such that they are aligned to the dominant shape. The dominant shape is the first shape that was selected within the current selection.

Aligns left hand sides of the selected shapes.

Moves shape horizontally to align the centres of the selected shapes.

Aligns right hand sides of the selected shapes.

Aligns top edges of the selected shapes.

Moves shape vertically to align the centres of the selected shapes.

Aligns bottom edges of the selected shapes.

Align the selected shapes in the Shape window. A dialog will let you specify whether to align the objects to the grid or to each other and whether the align is done vertically or horizontally.