Translation of unfold in German

Arete means earring. Is it only in Mexico, regional? earring has multiple translations in Spanish, some are regionalism, others not. Arete, pendiente, caravana, and some others. But they are widely understood.
I want to study either computer science or do an MBA. I love to programm and I am doing it a lot, although I am very impatient sometimes. I also like math, but I hate writting long letters.
Great that you've written me back so quickly. I want to be your pen pal and we could help each other. I am looking for people who could help me learn Spanish, with focus on conversations.