A "complete manuscript" refers to a finished written work, usually a book or document, that includes all the necessary content and is ready for publication or distribution. Full definition
Currently, as a writer in the process of completing a manuscript, I'm pondering titles and book covers. (goodreads.com)
Or, authors submit completed manuscripts which I see for the first time, seeking assistance before sending to a literary agent or in preparation for self - publishing. (alanrinzler.com)
Think of it as buying a big gift to yourself; the gift of a finished, completed manuscript ready for publishing. (creativindie.com)