What do you mean by head, foot, mouth, mouth and folio in typesetting?

5. The cover of common typesetting terms (1) (also known as cover I, cover, cover and written language) is printed with the title of the book, the name of the author, the name of the translator and the name of the publishing house. Cover plays a role in beautifying books and protecting book blocks. (2) The inner cover (also called the second cover) refers to the back cover of the cover. Envelopes are generally blank, but they are often used in journals to print catalogues or related pictures. (3) The back cover (also called the third cover) refers to the inner page of the back cover. The back cover is generally a blank page, but it is often used to print words and pictures outside the text or other words in periodicals. (4) Books on the back cover (also called back cover 4 and back cover) should be printed with a uniform book number and pricing at the lower right of the back cover, and periodicals should be printed with copyright pages on the back cover, or used for printing catalogues and other non-literal words and pictures. (5) spine (also known as back cover) spine refers to the spine connecting the front cover and the back cover. The spine of the book is generally printed with the title of the book, the number of volumes (volumes, collections, volumes), the author's name, the translator's name and the name of the publishing house, which is easy to find. (6) The book crown refers to the part with the title printed on the cover. (7) Footprint Footprint refers to the part with the name of the publishing unit printed below the cover. (8) The title page (also called back cover or sub-cover) refers to the page after the cover or lining of a book and before the text. The title page is generally printed with the title of the book, the name of the author or translator, the publishing house and the year of publication. The title page also plays a decorative role, increasing the aesthetic feeling of books. (9) Inserting refers to printing and inserting a single page in a book, and printing graphics or tables where the layout exceeds the layout. Sometimes it also refers to a page whose layout does not exceed the layout, the paper is the same size as the layout, but printed with a different paper or color from the original. (10) Chapter page (also called middle title page or independent page) refers to a single page with the name of the article, series or chapter printed before the beginning of each article and chapter in the text. The chapter page can only be left blank, with single code and double code. After the double code is inserted into the text page, it is generally calculated according to the password or regardless of the page number. Chapter pages are sometimes printed on colored paper to show the difference. (1 1) Table of Contents is a record of chapter and section titles in books and periodicals, which plays the role of subject index and is convenient for readers to find. The table of contents is usually placed in front of the main body of books and periodicals (due to the limitation of the number of printed pages of periodicals, the table of contents is often placed on the second, third or fourth cover). (12) copyright page copyright page refers to the record page of the version. The copyright page shall record the title of the book, the name of the author or translator, the publisher, publishing house, printer, edition number, number of copies, format, number of words, date of publication, pricing, book number and other items according to relevant regulations. Book copyright pages are generally printed at the lower end of the back page of the title page. The copyright page is mainly to let readers know about the publication of books, and it is often attached to the text of books and periodicals. (13) indexes include subject index, content index, noun index, scientific name index, name index, etc. Indexes belong to written records outside the text, generally arranged after the text, with small font size and double columns. The index is marked with page numbers for readers to find. Index plays an important role in sci-tech books, which enables readers to quickly find the information they need to find. (14) Layout refers to the overall format of books and periodicals, including the font, font size, center size, full column, double column, lines per page, words per line, line spacing and typesetting position of tables and pictures. (15) Edition core refers to the body part on each page, including chapter, section title, body, figure, table and formula. (16) The plate mouth refers to the boundary of the center of the plate, and in a sense refers to the center of the plate. Strictly speaking, the range is calculated by the area of the page, and the range is calculated by the periphery of the left, right, up and down. (17) A super-version opening refers to a page that exceeds the boundaries of the left and right or upper and lower versions. When a graph or a table exceeds the opening price, it is called an over-opening price graph or an over-opening price table. (18) Vertical typesetting refers to a version in which lapels are on the left, seams are on the right, text is printed from top to bottom, and lines are printed from right to left, which is generally used in ancient books. (19) Horizontal row is a version with hem on the right, seam on the left, text from left to right, and lines printed from top to bottom. (20) masthead masthead, also known as "title" and "headdress", is used to express the nature of an article or version and is also a decorative decoration. The masthead is generally arranged above or in the upper left corner of the headlines of newspapers, magazines, poems and essays. (2 1) Hurdles are also called hurdles. Most newspapers and magazines are arranged in columns. This arrangement of pictures or tables that cannot be arranged in one column extends to another column and occupies multiple columns is called broken column arrangement. (22) Vertex refers to the top margin of each page. (23) Anchor refers to the lower edge of each page. (24) Dark page numbers, also known as secret codes, refer to pages that occupy page numbers instead of page numbers. Generally used for illustrations, inserted tables, blank pages or separator pages in the center of the over-edition. (25) A page has the same meaning as a piece of paper, and a page has two sides (both sides of the page). It should be noted that the concept of the other page and the other side is different. (26) Starting a new page means that an article is arranged from a single code (such as a collection of essays). If the first article ends with a single page number and the second article requires a new page, you need to leave a blank face with double codes at the end of the previous article, that is, put an empty code, and each article requires a new page arrangement, which is mostly used for single printing. (27) Starting from the other side means that an article can start from single and double codes, but it must start from the other side and cannot be connected with the previous article. (28) Form Notes Form notes refer to the notes and explanations of the form. Generally arranged at the bottom of the table, and some are arranged in the table frame. Generally, the length of table notes should not exceed the length of the table. (29) Legend Legend refers to the notes and explanations of illustrations. Generally, it ranks below the topic of pictures, and a few rank above the topic of pictures. Generally speaking, the length of graphic annotations should not exceed the length of graphics. (30) Backtopic Backtopic refers to the title at the end of one side, with no text behind it. Backquestions are forbidden in typesetting specifications, and they should be avoided as far as possible. The solution is to add lines to this page, shrink or leave a blank at the end, and move the title to the next page.