* نور (noor): This is the most common and general word for "light." It can refer to natural light, artificial light, or light in a metaphorical sense.
* روشنایی (roshani): This word emphasizes the brightness or illumination of something. It's often used to describe the light of the sun or moon.
* تابش (tabesh): This word means "radiation" or "emission" and can be used to describe light coming from a source, like a lamp.
* چشمک (chesm-ak): This word means "blink" or "flash" and is used to describe a quick burst of light.
The best translation will depend on the specific context.