Not trying to troll, think the correct spelling is queue
http://en.wikipedia.org/wiki/Queue
The word is used in programming as well, which is why i noticed it. again not trying to troll ya, just pointing it out. Sorry If i am wrong and there is a cue for lines as well, I was curious and googled cue and only got a signal or like a pool cue. The term queue is used in the U.S. a lot, as well as in other places.