Hi chab,

paypal account kholnu visa sanga kehi related chhaina.As u might know it's free to open paypal account.Once u open account then u can add ur credit card or debit card to the paypal.also u can add bank account to ur paypal.
tespaschhi u can use the funds available in ur bank account or the cards.
people can pay with their credit cards to ur paypal account.ani paypal ma jamma bhako paisa u can transfer to ur bank account.
so, khas sabai chij garna milchha.

I hope this answers ur question.
You can see in the paypal site.it explains clearly what u can do with paypal account.

bye