Some of these dream symbols and their meaning are from the Dream Diary Assistant.

Dragon: A symbol of the soul, higher self

Drain: Possible a word pun for ‘being drained’. This could be indicative that something in life is making one feeling drained. Other aspects of the dream may provide more clues to the cause of it. If someone is hiding in the drain, it may mean that the issue of the draining is currently not fully known (hidden) to the conscious self.

Driver: A guiding or driving aspect of oneself.The aspect of self that is in charge of your life path.