A Street sign is a sign to indicate the Street conditions and a pillar with a Street sign to guide travelers. Street signs have the function of guiding the way; Street signs are the infrastructure projects of social development and urbanization construction; Street signs are the signs set up in most countries to warn, prohibit, restrict and instruct Street users.
The role of Street signs is to understand the building. In addition to the perception of the building form, another important element is to be familiar with the building through the Street signs. In the same way, Street signs and signs show people the distribution of floors and the guidance of all kinds of exits inside the building. It can be imagined that in a space or building without signs, all behaviors will be disorderly and lose the direction of guidance. Only in this way, signboards are not important to buildings
Words and metaphors.