Desktop publishing is the creation of documents using software which can generate layouts and produce typographic quality text and images.
A Desktop Publisher, often abbreviated to DTP, is responsible for translating the work of art directors and graphic designers into digital files ready to go to print or to be placed online. A DTP will design page layouts for newspapers, books, brochures, annual reports, tenders, you name it, that will be printed or put online. They collect the text, graphics and other materials they will need and then format them into a finished product.
Desktop Publishers use various design techniques and software tools to develop designs in a printable format to be used for various purposes. A desktop publisher knows how to position text and art elements in visually appealing ways by using their knowledge of type styles and size and layout patterns.
A Desktop Publisher will be skilled in multiple computer design applications such as Adobe Creative Suite and Microsoft Word and Excel.