It might clarify things to show what the layout looks like in preview mode. see the attachment. What I can't figure out is the dotted line. Certainly this is the outline for the envelope. But there doesn't seem to be any way to control it. It was created by FM.
In layout mode, you should also see lines marking the limits of the layout and you should be able to move the fields you want to place them within those limits. What do you see in layout mode?