A header or footer is text or graphics that is usually printed at the top or bottom of every page in a document. A header is printed in the top margin; a footer is printed in the bottom margin.
Headers and footers can be as simple as the document title and a page number, but you can create headers and footers that contain graphics, multiple paragraphs, and fields. You can specify a different header or footer for odd and even pages or use a different header or footer for the first page of a section or document.
.You can insert the following into Headers and Footers:
Headers and footers can also have formatting applied to them.