Meaning: The light from the sun is making the water look bright.
Choice of Words: Sunlight means the light from the sun. Shines means to emit light or be bright.
Meaning: This means that the lines of light from the sun are making the water bright.
Choice of Words: Rays are lines of light. Illuminate means to make something bright with light.
Meaning: This means that the water is bouncing back the light from the sun.
Choice of Words: Reflects means to bounce back light. Light is a form of energy that travels in waves.