"A" is used as a cover and to replace all regular letter A. According to Hamasaki herself, this symbol also represents her name. This symbol is still in use today. In addition to being used on her album titles, it is also the trademark for various products launched in her name (including concert souvenirs). "M"? in the song title of the 19th single, and this single is Hamasaki's fourth million-selling single. Like the symbol "A", this symbol also applies to any record containing the song "M". ? "H"? The symbol "H" that appears on the 27th single. It is Ayumi Hamasaki's last million-selling single. ? "amp;"? The symbol that appears on the 29th single "amp;". All logo pictures?/i?tn=baiduimageamp;amp;ct=201326592amp;lm=-1amp;cl=2amp;fm=psamp;word=B1F5C6E9B2BDB5C4B1EAD6BE