F9: Update a field. This is the same as right-clicking a field and choosing the “Update Field” command.
Alt + F9: Toggle the display of a field’s code.
Shift + F9: Reveal a field’s code.
F8: Enter Word’s selection mode and expand a selection.
Word wrap is a word processing feature that forces all text to be confined within defined margins. When a line of text is filled, the word processor automatically moves the text to the next line, so the we do not have to press the return key after every line.