Advancement in a dream often represents advancement in waking life.
Sometimes a material, intellectual, emotional or spiritual advancement in waking life can be symbolized by a physical advancement in a dream.
For example, moving forward toward a new destination or climbing stairs, a ladder or a mountain can signify moving onward in a career or a relationship, or it can mean that you are growing spiritually.
How easy is it for you to advance in your dream? Is the road smooth and the weather pleasant, or do you have to endure harsh conditions?
Are there obstacles along the way? Are other people in your dream helping you or hindering you?
The ease or difficulty of your advancement in your dream can tell you something about how hard or easy you think it will be to reach your waking life goal.