Articles are usually reports on scholarly research. Illustrations usually take the form of charts and graphs. Articles use jargon of the discipline. Popular Magazines Authors are magazine staff members or free lance writers. Authors often mention sources, but rarely formally cite them in bibliographies.
Individual issues contain numerous advertisements.
There is no peer review process. Articles are meant to inform and entertain. Illustrations are numerous and colorful. Trade Publications Authors are specialists in a certain field or industry. Authors often mention sources, but rarely formally cite them in bibliographies.