1. Different forms: Slogans are words or phrases, which are slogans or propaganda words used to convey an idea, an idea or a call to action. They are concise and easy to remember and spread, while signs are more specific signs or logos, which can be words, patterns, images or combinations, and are used to indicate directions, warn of dangers, publicize products or services, and display corporate image.

2. Different contents: The contents of slogans are abstract, aiming at conveying an idea, values or beliefs, which are inspiring and appealing, while the contents of signs are more specific and practical, aiming at providing clear information, instructions or warnings.