Apple AppleWorks 5 : Windows 95/NT 4.0 - Manual (Page 233)

Beyond the basics 9-25
When you create linked frames, you see indicators that provide information
about the frames. A continue indicator shows that a frame is not yet linked
to another frame. A link indicator shows that the frame is linked to another
frame. Anything you type, paste, or paint into the first frame continues into
the next frame. A text overflow indicator shows that the frame contents
extend beyond the last frame.
Linked text frames
Top-of-frame indicator
Link indicator
Text overflow indicator
Continue indicator
Linked spreadsheet frames
Continue indicator
Linked paint frames
Continue indicator