A diary or journal is a book for writing discrete entries arranged by date reporting on what has happened over the course of a day or other period. Such logs play a role in many aspects of human civilization, including governmental, business ledgers, and military records. Diaries run the spectrum from business notations, to listings of weather and daily personal events, through to inner exploration of the human psyche, a place to express one's deepest self, or record one's thoughts and ideas. Some use the words "diary" and "journal" interchangeably while others apply strict differences to journals...