Translation of fastener in German

I think we will start Spanish-English and then German-Spanish. Were my explanations clear that when the correct word appeared in the alternative suggestions one needs just to press skip? I think it is normal.
Thank you for your email! A little question about yourself. How old are you? I think the Americans are using the word color and not colour, but I understand if you are not sure about it.
I have already written some vocabulary lists on paper and typed in some of them here at Vocabulix. The automatic system here works better than flashcards on paper. Too bad there is no software.