Foreword is a short piece of writing found at the start of the book or piece of literature and written by someone other than the primary author of the literature. A preface is a short piece of literature that...

An ‘author’ is the one who writes a content, which are developed on his own, whereas a ‘coauthor’ is the one who accompanies with some other author to write the content.

In literary and creative writings, an ‘author’ is the one who originally creates his own content, whereas a ‘writer’ is the one who writes any sort of content, concerned to the relevant topics assigned to him...