Data Flow Diagram (DFD): A diagram that depicts the flow of data through a system and the processes that manipulate the data. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostCurly Braces Next PostData Hiding