Definitions for "Footnotes"
Notes documenting a text, and corresponding to reference numbers in the text, placed at the end of the page on which the note appears
Not the same as footers. They are used to annotate publications. They can present statistics, cite sources and note facts that you don't want to include in the main body of text.
example References to specific ideas, facts, data, opinions, or quotes within your paper. See: Citing Your Research.
Extra details and disclosure about figures and information contained in a company's financial statements