Page layout is the part of graphic design that deals in the arrangement and style treatment of elements (content) on a page. wikipedia.org

Typesetting is the composition of text by means of types. Typesetting requires the prior process of designing a font and storing it in some manner. wikipedia.org

Graphic design is a creative process - most often involving a client and a designer and usually completed in conjunction with producers of form (i.e., printers, signmakers, etc.) _ undertaken in order to convey a specific message (or messages) to a targeted audience. wikipedia.org

An electronic book (variously, e-book, ebook, digital book, or even e-edition) is a book-length publication in digital form, consisting of text, images, or both, and produced on, published through, and readable on computers or other electronic devices.

Publishing is the process of production and dissemination of literature, music, or information — the activity of making information available to the general public. In some cases, authors may be their own publishers, meaning: originators and developers of content also provide media to deliver and display the content for the same. wikipedia.org