The term 'Parts of a Comic Routine' can be broken down into four parts: BITS (4 letters), Punchline (8 letters), Setup (6 letters) and Tag (3 letters). BITS are the short, humorous lines that a comedian uses to get a laugh. Punchlines are the jokes that follow the setup and are usually the funniest part of the routine. Setups are the stories or scenarios that lead up to the punchline. Tags are the short lines that follow the punchline and often provide a conclusion to the joke. All of these elements combine to create a comic routine that is both entertaining and memorable.