Have you ever been in Sage 100 sales order or purchase order entry and for some reason the secondary grid is to your right instead of at the bottom of the screen?
The default screen looks like this:
There is a little icon in the top corner of the screen that changes the positioning of the secondary grid.
Click the icon and watch the screen positions change. The screen is only changed for your login. This will not affect other users.
And then you will see this:
Which do you prefer?