White light is a container of positive energy. It is represented as cleansing, purifying, Angelic light, aura-healing, enlightenment, oneness and completion, truth. We usually envision white or gold light when we want to be healed and protected. White light usually penetrates and breaks up negative energy, it’s always a seal of protection.
In general this dream feels like you are going through a deep healing and a cleansing process through your soul.
Something is coming to the surface that needs to be healed from within.
hope this helps!