What does Riz mean? I don't know what that means.

I'm a say How do I do you wanna talk it out please don't mistake my hours tell me why I listen and I'll probably just say that

Math is so confusing it's always about XNYN never UNI

I am learning so much I just found out about the word Riz like four days ago and it is now it's everywhere it's like that weird thing where you like never hear of some thing or see some thing and then some of it like teaches you it and then it's everywhere it's like your brain opens up