A break most certainly does not mean a breakup, though. In fact, experts agree that taking time apart often helps pairs realize that they want to be together.
It rarely works. I've never tried it, but I've seen it happen dozens of times. Usually, it doesn't work because the parties don't actually take a break.
Taking a break in a relationship can be a healthy way to preserve the connection. Taking a brief break is one way to create some distance in a relationship.