Photosynthesis is the process by which:

radiant energy from the sun is tranformed into chemical energy in glucose.
radiant energy from the sun is tranformed into chemical energy in glucose.

radiant energy is transformed into heat and light.
radiant energy is transformed into heat and light.

chemical energy of foods is released as heat and light.
chemical energy of foods is released as heat and light.

chemical energy in glucose is tranformed into chemical energy in ATP.