Translation of Zipfel

I want to work on the country specific terms first, then do a revision of the words that we have entered so far... please give me a few days to finish it. However, I may need to contact you over the weekend, depending on my progress.
To grow from there was the right decision. That means that I should find the decision makers of predefined websites, and do not need to search the Web for potential buyers generally.
I teach at the university of natural sciences. I have studied at the ETH in Zurich. At that time I started learning Spanish and I found Vocabulix. Since then I'm using it regularly with joy.