nderstandable
    				by providing repeated information in a consistent and predictable way.
    				The content of headers and footers will vary widely depending on the
    				document scope and content, the audience, and design decisions. Some
    				examples of location information that may be used in headers and footers
    				are listed below. Whether the information appears in a header or a
    				footer is often a design decision; page numbers often appear in footers
    				but they may alternat