Ibid is an abbreviation for the Latin word ibidem. It basically means "the same place." The abbreviation is commonly used in educational tools when reading and creating footnotes. It will be used as a reference for the end or beginning of a note or, the more traditional term, end notes and footnotes. You generally use these notes to reference key elements of text. This is most useful when
. studying. More information on utilizing footnotes using ibid can be found here: http://unilearning.uow.edu.au/academic/4di.html