Columns:

A column is either a request for information or lines of information that
define certain fields in a list. For example, the

Opt

,

Source Overlay

,

Text

, and

Changed

fields are columns on the Work with Source Overlays display.
Figure 10. Promptsand Columns onthe Workwith Source OverlaysDisplay
Design display
The following Design displays are available:
Design Overlay display
Design Record Layout display
Design Page Layout display
The Design display has two views. One is the screen view and the other is the
list view. You can switch the view from one to the other by pressing the F17 key.
┌───────────────────┐ F17 ┌────────────────┐
│ ─────5 │
Screen View List View
│ %───── │
└───────────────────┘ F17 └────────────────┘

Screen View:

In the screen view, an approximate print image is displayed in the
upper part of the screen called the image area. You can design an overlay, a
record layout, and a page layout while viewing the approximate print image being
created on the display. When you enter the Design display, the display is initially
set to the screen view.
In the screen view, the display is divided into the image area and the key entry
area when you define or change an element as follows:
16 AFP Utilities for AS/400 User’s Guide