A storage area, such as a storage room or warehouse, can represent actual or desired:
Saving or storing of objects, memories, ideas, etc.
Procrastination or postponing, as in delaying something until later
Accumulating, such as saving money, ideas, possessions
Holding on to things emotionally, such as grudges, blame, or judgments
Inactivity or dormancy in some area of your life, things that are "on hold"
Hoarding or keeping things for yourself (such as money) or to yourself (such as secrets)