Spodzielny dźwięk

Good morning. Excuse me, I would like to get some information about Islamic banking services. I’ve heard several terms that I don’t fully understand. Could you kindly explain them to me? Good morning, Sir. Welcome to Islamic bank. We would be happy to assist you. May I know which terms you would like to ask about? Yes, thank you. First, I would like to ask about Mudarib and Sukuk. What do these terms mean?