The essence of logo lies in its functionality. Although the artistic design of the logo has ornamental value, the logo is mainly not for people to see, but for practicality. Signs are indispensable intuitive tools for people to carry out production activities and social activities. Signs are used by human beings, such as public place signs, traffic signs, safety signs and operation signs. Having flags and badges unique to countries, regions, cities, races and families; Used in social organizations, enterprises, charities and activities, such as emblem, logo, factory logo, social logo, etc. ; There are special trademarks for commodities; There are also articles dedicated to collectives or individuals, such as seals, signatures, flower pledges, signatures, branding, etc. , has an irreplaceable unique role. Signs with legal effect have a special mission of safeguarding rights and interests.

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