It means trademark

1) addidas: Adidas in Chinese is a German sporting goods manufacturer and a member company of Adidas AG. Adidas, named after its founder Adolf Adi Dassler, began producing footwear in 1920 in Herzogenaurach, near Nuremberg. Registered under the name adidas AG on August 18, 1949. Three parallel strips are usually visible in the design of Adidas clothing and sports shoes, and can also be seen on its logo. The three parallel strips are the characteristics of Adidas. Adidas was originally founded by two brothers. After they parted ways, Adolf's brother Rudolf Dassler opened the rival sports brand Puma. In 1948, Mr. Adi Dassler, the founder of adidas, combined his first name adi and the first three letters of his last name (Dassler) to form "adidas" as a product brand and applied for registration; the following year, the third line of adidas The trademark comes out.

2) Nike: Headquartered in Beaverton, Oregon, USA, Nike is a world-famous sporting goods manufacturer. The company produces a wide range of sporting goods: clothing, footwear, sports equipment and more.

3) Reebok: Reebok, the original meaning of the word, is a kind of antelope in southern Africa. It is light and good at running. Reebok hopes that after wearing Reebok sports shoes, consumers can run across the vast world like a Reebok antelope and fully enjoy the fun of sports.

4) Kappa back to back, it was not called kappa at first. Its predecessor was a small company called m.c.t. The company's full name is "societa anonima calzificio torinese". It was established in Turin (turin) in northwestern Italy in 1916. It mainly produces socks and underwear. The company's original trademark was "aquila", which later became the current "kappa".