The basic elements system of VI design strictly stipulates the logo graphic identity, Chinese and English font shapes, standard colors, corporate symbol patterns and their combination forms, fundamentally regulating the visual basic elements of the enterprise, the basic elements system is the core part of the corporate image, is the basic elements system of the enterprise including: corporate name, corporate logo, corporate standard characters, standard colors, symbol patterns, groups and applications and enterprise slogans and slogans, etc. Specialized fonts that is the new use of the enterprise's main text, figures, product names combined with external publicity text, etc., to carry out a unified design. It mainly includes the logo word designed for the enterprise products and the logo word designed for the enterprise internal and external activities, as well as the header and title fonts designed for newspaper advertisements, poster advertisements, film and television advertisements, and so on.