View Controllers - iOS Programming: The Big Nerd Ranch Guide - page 227

In TimeViewController.xib , drag a UIView onto the canvas and then drag a
UIButton and a UILabel onto the view. Give the button a title that reads What time is
it? . Give the label text that reads ??? and center it ( Figure 7.7 ) .
Figure 7.7 TimeViewController's XIB file
Notice that these objects appear under the Objects section in the outline view ( Figure 7.8 ) .
Objects that appear in this section are the objects that are saved in this XIB file. We have a
special term for this type of saving called archiving. Thus, the objects in this section are
known as archived objects .
Figure 7.8 Objects in TimeViewController.xib