"( )" or two parentheses (40 and 41 in ASCII) may refer to: Function prototype, no arguments or unknown arguments, in some programming languages The unit type in some programming languages ( ) (album), a 2002 album by Sigur Rós ( ) (film), a 2003 short film directed by Morgan Fisher A hug, in emoticon The stage name of Kim Carlsson, a member of the Swedish black metal band Lifelover
See also Parenthesis (disambiguation)