It symbolizes the indeterminate, a transitional stage between two eras or two stages. To find something in the fog expresses a desire to regain affection or friendship. To be paralyzed amid the fog is fear of the future, uncertainty for what still has to come and we do not know how it will be. If the fog disappears during the dream that’s the exit from of the confusion, it means the situation or the future will become clear.
Read more about dreaming of Fog in other dream meanings interpretations.