Dreams and visions about a bag tell you about the responsibility that you carry with you, the bag is also a reflection of your heart, that what you put in your bag are your burdens, wishes, dreams, your character traits, your true me and the inner and outer knowledge.
Dreams or visions about packing a bag tells you that you take the loads with you, loads that you might want to let go. Another explanation is that you prepare yourself for new opportunities and new insights.
Losing a bag in your dream or vision tells you that you leave behind old burdens, emotions, financial problems, your heart or your character traits to look for new opportunities. Another explanation is that you have lost part of your true self or your qualities during your search.
A torn or broken bag in your dream or vision tells you that you have to endure heavy loads. Another explanation is that you get rid of old and negative thoughts and habits.
Theft of a bag in your dream or vision tells you that you have the feeling that someone is taking something away from you, checking you, or wanting to manage you. Another explanation is that you take something important away from yourself, because you yourself are always the thief and you project yourself on both the victim and the thief.