Queue
The Queue screen is used to administer your Production Queue, all of the tradeskills that mention time, or say that an item will take 15 seconds will actually create a queue entry on your Queue screen.

The Queue screen does not auto complete, this means you have to visit the queue screen manually for it to finish making the items you had queued, however you can still play the game normally even while you have a partial or full queue as there is nothing that will stop the queue from finishing, this means you can both fight and work on craft skills without too much of an interruption.

You can cancel items you have queued simply by clicking the "cancel" button, you can also use the cancel all button at the bottom of the screen.

The queue is color coded, if you get a skill up after queueing an item all previous items in your queue will turn blue, this indicates that they can not be canceled because you already gained a skill point from them ... if you dont get a skill up or the item is colored green on this screen then you can cancel it.

When a queued item completes you usually gain experience and the item is put into your Sellbag or Backpack.