Graphic design involves activities , usually done on the computer in which pictures, graphs, text and other elements are combined as a edit to books, magazines, advertisements.
Activities which are part from this job are:
Design: the creation of ideas, plans and finally creation of object, pictures,...
Art: expressing the imagination through different ways of expression/
Decoration: adding something to the graphic design in order to look and act nicer
Visual literacy: the ability to understand existing trends and to learn new ones