Dreams dictionary: Queue
Dreams dictionary: Interpretation 1
To see a line in your dream symbolizes duality, limits, boundaries and rules. It also relates to movement or non-movement. To dream that you are crossing a line suggests that you are overstepping your boundaries or that you are moving beyond the limits in some area of your life.
Dreams dictionary: Interpretation 2
To see a line of people or objects indicates that you need to be more aware of some situation or relationship.
Dreams dictionary: Interpretation 3
To dream that you are standing in line represents your need for patience. You need to learn to wait for something and not always have it right away.