You can now align and distribute multiple keynotes, text notes, and tags.
Select them, then click Modify tab 
Multiple Align panel, and select an alignment option:
- Vertical alignment:
Align Elements Top
-
Align Elements Middle
-
Align Elements Bottom
- Horizontal alignment:
Align Elements Left
-
Align Elements Center
-
Align Elements Right
- Distribute:
Distribute Vertically
Distribute Horizontally