Refers specifically to steamed white rice as a food item. Often used in compound expressions like ご飯を炊く (to cook rice).
I had rice and miso soup for breakfast.
General term for a meal, often used in polite or everyday contexts. Can refer to any meal of the day (朝ご飯, 昼ご飯, 晩ご飯).
What would you like for dinner?
Shall we go out for a meal?
My mother cooks rice for me every morning.
I dished out a bowl of rice for the child.
The rice finished cooking in the rice cooker.
Shall we go have something to eat soon?
I invited a coworker out for a meal.
chestnut rice