Dreaming about being left behind by your parents, especially in a place like a store, can evoke feelings of fear and confusion, as you've experienced. This type of dream often reflects feelings of insecurity or abandonment in your waking life. It could symbolize a desire for support or guidance that you feel is lacking at the moment.

The store may represent a place of choices or abundance, but being lost there can indicate feelings of being overwhelmed or unsure about the direction you should take. It's possible that you are facing a situation where you feel unsupported or out of control.

Consider reflecting on your current life circumstances. Are there areas where you feel alone or unsure? This dream could be prompting you to seek reassurance from those around you or to explore your feelings of independence and self-reliance. Engaging in open communication with loved ones might help alleviate some of these feelings.