The term "copy" also refers to text in books, magazines (and newspapers), generally for the body copy, the main article or text that writers are responsible for, and not accompanying material such as headlines, which are written by copy editors.
The term "copy" also refers to text in books for the body copy, the main article or text that writers are responsible for. This is generally. Books are magazines (and newspapers). Accompanying material such as headlines. Headlines are written by copy editors.