For people:
* زیبا (zibā) - This is the most common and general term for beautiful. It can be used for both men and women.
* زیبا زن (zibā zan) - This means "beautiful woman".
* زیبا مرد (zibā mard) - This means "beautiful man".
* خوشگل (khoshgel) - This is a more informal and colloquial term for beautiful. It can also be used for both genders.
* قشنگ (qeshang) - This is another informal term for beautiful, often used for children or things.
For things:
* زیبا (zibā) - This can be used for inanimate objects, like a painting or a flower.
* زیبا (zibā) - This can be used for abstract concepts, like a beautiful song or a beautiful idea.
* قشنگ (qeshang) - This can also be used for inanimate objects or abstract concepts.
Examples:
* او زن بسیار زیبا است. (O zan besyar zibā ast.) - She is a very beautiful woman.
* آن نقاشی بسیار زیبا است. (Ān naqshī besyar zibā ast.) - That painting is very beautiful.
* شعر شما بسیار زیبا است. (She'r-e shoma besyar zibā ast.) - Your poem is very beautiful.
Remember that the most appropriate word to use will depend on the context and the specific situation.