Non-commercial signs include signs that are not designed for commercial activities. General non-commercial signs include: political, cultural and sports signs and public service signs. * * * The similarity lies in information transmission. As an image symbol, logo represents the business and idea of a group or enterprise, and its most important function is to convey information.

As an important part of enterprise CIS strategy, logo is the most widely used, frequent and key element in the process of corporate image communication. The strong overall strength, perfect management mechanism, high-quality products and services of the enterprise are all contained in the logo, which is deeply left in the hearts of the audience through constant stimulation and repeated portrayal.