1. Prohibition signs in traffic signs

The color of prohibition signs, except for a few signs, is white background, red circle, red bar, and black pattern. Pattern bar. The shape of the prohibition sign is a circle, an octagon, or an equilateral triangle with the top corner pointing downward. There are currently 42 types of prohibited signs.

2. Olympic logo.

The Olympic logo is also known as the Olympic five-ring logo. It is the most widely recognized Olympic Games logo in the world. It consists of 5 Olympic ring sockets, available in 5 colors: blue, yellow, black, green and red. The rings are connected to each other from left to right, with blue, black and red rings on the top and yellow and green rings on the bottom. The entire shape is a regular trapezoid with a small bottom.

3. National Water Saving Logo

The green circle represents the earth, symbolizing that water conservation is an important measure to protect the earth's ecology. The blank part of the logo is like a hand holding up a drop of water. The hand is a deformation of the pinyin letter JS, which means saving water. It means that water saving requires public participation. It encourages people to start with me and save every drop of water. The hand is Like a meandering river, it symbolizes the dripping water that merges into a river.

4. Mercedes-Benz logo

The three-pointed star of Mercedes-Benz symbolizes the desire to conquer land, sea and air. This logo was created after the merger of Daimler and Mercedes-Benz. Daimler's original trademark was a three-pointed star, while Mercedes-Benz's trademark was a double circle with the word "BENZ" in it. After the merger, the Daimler-Benz trademark was a single circle. Three-pointed star.

5. Audi car logo

The Audi car logo design is a pattern connected by four rings. It is likened to the union of four companies, holding hands and majestically. ***Create a great cause. It fully embodies the popular corporate culture of "unity is strength."