Origin of Planar Graph Design—Symbol

Graph is a symbolic image of visual space design.It is a relatively direct and accurate communicative medium in visual communication process and it plays an important role in communicating people with cultures and information.During graph design,the application of semeiology influences the patterning thought expression of graphic design.Because of the existence of it,the information conveyed by planar graph design is more scientific and more accurate and expression methods are more colorful.