plain chocolate as a type of chocolate that is not mixed with any additional flavors or ingredients.

plain chocolate as a description for a simple dessert or confection.

सादा चॉकलेट के रूप में एक सरल मिठाई

English Usage: The dessert was just a piece of plain chocolate.

Hindi Usage: मिठाई केवल एक टुकड़ा सादा चॉकलेट थी.