 The word CR ( Carriage Return ) causes the following output to be displayed on a new line . The parsing word . " ( dot @-@ quote ) reads a double @-@ quote delimited string and appends code to the current definition so that the parsed string will be displayed on execution . The space character separating the word . " from the string Hello , world ! is not included as part of the string . It is needed so that the parser recognizes . " as a Forth word . 
