| Graphic design, constantly being infused with fresh and vigor, has integrated into people’s life in every aspect with its rich and vivid expression. This paper reveals the development trend of graphic design from the historical development of the font. The form rule as a principle of design, space form as a design environment, using the visual perception theory as the theoretical basis for design, using the abstract thinking to the "English letters" process and methods of writing analyze and refine and for linear spatial extension, from the color, material, form, structure, etc, for font design do show space form for the spatial form of graphic design development, exploration and application. |