A thick mist that reduces visibility, often occurring in weather conditions.

A metaphorical description for confusion or lack of clarity in understanding.

धारणा में कमी या भ्रम

English Usage: After the lengthy explanation, I was left in a dense fog about the topic.

Hindi Usage: लम्बे कथन के बाद, मैं उस विषय पर घने कोहरे में रह गया।