The term 'Periodical Figure' refers to two people who are involved in the production of a periodical, such as a magazine or newspaper. The first is an EDITOR, which is a person who is responsible for overseeing the content of the publication and making sure it meets the standards of the publication. The second is a STAFFER, which is a person who works on the staff of the publication and is responsible for writing, editing, and other tasks related to the production of the periodical.