Definitions for "Frontmatter"
The frontmatter of a book includes the elements that precede the text of the work, such as title page, copyright page, dedication, epigraph, table of contents, foreword, preface, acknowledgements, and introduction.
All the text that comes before the main text of your book. This can include the title page, copyright, table of contents, acknowledgements, foreword, introduction, and so on. These pages are usually numbered separately from the main text using roman numerals. Gg