The differences between logos and labels include: different functions, different forms of expression, and different application scopes.

1. Different functions: The main function of signs is to provide information, such as indicating directions, explaining product names and uses, etc. The main function of a logo is to represent a certain brand, organization or group. For example, a trademark represents the image and brand value of a certain enterprise.

2. Different forms of expression: signs usually appear in the form of text, symbols or graphics, and are mainly used to indicate and remind people of certain information. A logo usually appears in the form of a specific symbol, logo or pattern, used to represent a certain brand, organization or group.

3. Different application scopes: The application scope of signs is relatively wide, including traffic instructions, signs, labels, etc. The logo is mainly used in the fields of business and brand promotion, such as trademarks, logos, etc.

4. Both signs and logos are symbols or graphics used to convey information. In practical applications, you need to choose whether to use signs or logos according to specific needs to achieve better results.