To explain something again, often with the intent of clarifying or simplifying the original explanation.

फिर से समझाना

English Usage: After the confusion in the class, the teacher had to re-explain the concept of photosynthesis.

Hindi Usage: कक्षा में भ्रम के बाद, शिक्षक को फोटोसिंथेसिस की अवधारणा को फिर से समझाना पड़ा।