Quote:
Originally Posted by kayleigh.
marks a long pause in a sentance & introduces lists, or it can inroduce an extra piece of information. 
i have no idea where that came from.. i failed english  . |
Don't worry, unless punctuation is vastly different in Scotland you still fail. It's to link two independent clauses. Pauses are always done with commas - I have no idea how you would show a "short" or "long" pause seeing as that's more of a verbal thing as opposed to a writing thing.