Let me clear up a common misconception. When most people say writing in code, what they really mean is writing using a cipher. A code is when a symbol, word, or phrase is used to stand for a different word, phrase, or sentence. A cipher is were each letter in a word is represented with a different letter or symbol.
The dash is a punctuation mark that is similar to a hyphen or minus sign, but differs from both of these symbols primarily in length and function.
The dash is a handy device , informal and esentially playful , telling you that you're about to take off on a different tack but still in some way connected with the present course â only you have to remember that the dash is there , and either put a second dash at the end of the notion to let the reader know that he 's back on course , or else end ...