To dream that you are standing on a ledge indicates that you are feeling tense, anxious and/or excited. Consider what direction you are looking? Up? Down? Straight Ahead? The direction to which you are looking relates to your viewpoint, whether it be an optimistic one, pessimistic one or realistic one. On a more positive note, this dream may signify a sense of freedom and liberation.
To dream that someone is standing on a ledge denotes a sign of desperation and a cry for help.