field: In Mail Merge, an individual piece of information in a record, such as first name, last name, date, address, and phone number. Fields are what make a mail-merged document appear customized.

field code: A placeholder in a Word document that holds variable data (such as a date, or an index tag). Field codes show in gray; toggle their view by pressing Alt+F9.

footer: Text that appears at the bottom of a document page. A footer has its own special area and contains special text, such as the page number, document title, author’s name, and date.