What is the purpose of the design of the symbol pattern

Symbol design is designed to adapt to the needs of a variety of publicity media and design, but the application of a wide range of design projects, forms vary greatly, the size of the screen is variable, which requires the symbol of the design of the symbol of the design of the shape of the symbol of the symbol of a flexible, with the media of different, or the size of the page area for moderate adjustment and change, rather than a static stereotype pattern!