A magazine is a periodical publication, generally published on a regular schedule, containing a variety of content. They are generally financed by advertising, purchase price, prepaid subscriptions, or by a combination of the three.
German print magazines
Front cover of 1 October 1892 issue of The Illustrated London News
La Gazette, 26 December 1786
The Olympic Number of Life, 10 July 1924. Issues of general interest magazines focused on a specific subject were referred to as "numbers" and featured cover art relevant to the given topic, in this case the 1924 Summer Olympics.
A periodical literature is a published work that appears in a new edition on a regular schedule. The most familiar example is a newspaper, but a magazine or a journal are also examples of periodicals. These publications cover a wide variety of topics, from academic, technical, trade, and general interest to leisure and entertainment.
Cover of Science in School magazine