Smileys are nothing more than symbols composed of different ASCII characters that attempt to represent human faces.
The original smileys use the colon or semicolon for the eyes, the link character for the nose and the round bracket for the mouth. There are several original smileys for a laughing, sad, winking and smirking expression. In addition, there is a variety of special forms and furthermore not so common art smileys. It is necessary to imagine the horizontal representation rotated by 90 degrees in the vertical.