The characteristics of logo signs can be explained in the following seven aspects:

1. Functionality: The essence of a logo lies in its functionality. Although artistically designed logos have ornamental value, the logos are not primarily for viewing, but for practicality. Signs are an indispensable intuitive tool for people to carry out production activities and social activities. There are signs for human use, such as public place signs, traffic signs, safety signs, operation signs, etc.; there are signs such as flags and emblems for countries, regions, cities, nations, and families; there are signs for social groups. , enterprises, benevolence and activities, such as emblems, monograms, factory logos, social logos, etc.; there are trademarks dedicated to certain commodities and products; there are also trademarks dedicated to collective or personal belongings, such as seals, signatures, monograms, etc. Signing, branding, etc. all have unique and irreplaceable functions. Signs with legal effect have a special mission to protect rights and interests.

2． Recognition: The most prominent feature of logo signs is that each has a unique appearance, is easy to identify, displays the characteristics of things, and indicates the different meanings of things. Distinction and attribution are the main functions of logos. Various logos are directly related to the fundamental interests of the country, groups and even individuals, and must not be similar or confused with each other to avoid misunderstandings. Therefore, signage must be distinctive, recognizable at a glance, and unforgettable.

3. Conspicuousness: Conspicuousness is another important feature of signs. Except for invisible signs, most signs are set up to attract people's attention. Therefore, strong and eye-catching colors and concise and clear graphics are the common characteristics of logos.

4. Diversity: There are many types of signs and signs with a wide range of uses. They are extremely diverse in terms of their application forms, composition forms, and expression methods. Its application forms are not only flat (almost any flat surface of material can be used), but also three-dimensional (such as reliefs, garden sculptures, arbitrary-shaped three-dimensional objects, or special styles of packaging, containers, etc. used to make signs, etc.). Some of its forms of composition directly use objects, some are composed of text symbols, some are composed of concrete images, images or abstract graphics, and some are composed of colors. Most logos are composed of a combination of several basic forms. In terms of means of expression, its richness and diversity are almost difficult to summarize, and with the development of science and technology, culture, and art, there is always innovation.

5. Artistry: All designed non-natural signs have some degree of artistry. It meets both practical requirements and aesthetic principles. Giving people a sense of beauty is the basic requirement for their artistry. Generally speaking, artistic logos are more attractive and infective, giving people a strong and deep impression. The high degree of artistry in logos is the need of the times and the progress of civilization. It is the embodiment of people's increasingly higher cultural literacy and the need for aesthetic psychology.

6. Accuracy: No matter what the signage is to explain or indicate, whether it is a moral or a symbol, its meaning must be accurate. First of all, it must be easy to understand and conform to people's cognitive psychology and cognitive abilities. Secondly, it must be accurate to avoid unexpected interpretations or misunderstandings, and special attention should be paid to taboos. It allows people to understand clearly and accurately in a very short time. This is the advantage of logos that are superior to language and faster than language.

7. Durability: Unlike advertisements or other promotional materials, signs generally have long-term use value and cannot be easily changed.