Payment methods

Can anyone please explain me how many kinds of payment methods are there in Riyadh and how do they work?
Also, can I buy a plane ticket manually instead of buying it online?

You can go to a travel agency, or airline office and purchase your tickets.

Thank you ^^

TT through ATM or Bank
Sadad, the payment system which most of companies can issue their invoices through it.
Sadad account, same as the previous but you can pay via it online on the website of the companies who participated in Sadad.
Credit or Debit card.
Cash through agencies.

Best wishies.