Tahini Puzzling

“What’s the difference between tahini and tahina and tehina? What are its essential ingredients? Once you get that far (sesame seeds), think about those, too: How do sesame seeds grow? What’s the difference between the white variety and the black? And if traditional tahini is made of white sesame seeds, can you do the same with the black kind?”
 — OH MY GOD I DON’T KNOW! CAN YOU? CAN YOU?