Cover: also known as book cover and cover. The cover is the face of the book, which plays a role in protecting the pages and decorating.
Inside the cover: also called the second cover, that is, the inside of the cover.
Back cover: the back of a book, also known as cover four.
Back cover: also known as cover three, that is, the inside of the back cover.
Spine: It's the back of the book.
Backing page: Also called supplementary page, there are double lining and single lining behind the cover, which makes the book with backing page look solemn and imposing.
Title page: refers to the first page after the cover or insert.
Layout: refers to the entire width of a page of a book, including printing; The part of the text drawn and the surrounding white border.
Edition heart: the part of the text on which words and pictures are printed.
Book top: The top cut part of a book.
Root of a book: the cut part at the bottom of a book, also called the bottom of a book.
Flip: also known as circumscribed, refers to the outer end opposite to the spine of the book.
Tian tou: from the center of the page to the blank at the top of the book
Foot: the blank from the center of the page to the root of the book.