Dreams are things of human consciousness and spirituality, and today's science can't do a thing or two. But as far as historical allusions and records are concerned, we can see that many dreams are a magical guide and instruction to reality. A famous narrative about dreams in the Bible is part of Yue Se's interpretation of dreams for Egyptian kings. See Exodus.
If I can tell you what it is, it must be a lie. However, you can consider the connection between dreams and reality. Your description reminds me of the image of an angel. Maybe it's an inspiration to lead you to faith.