Translation of Sehnsucht

I am a little confused with all the different domains and products and options on this website. Thanks a lot in advance for the fast response. It is really crucial to my students and to the other teachers.
They wanted to know everything about relationships in Switzerland. One of the asked me of how guys propose friendships to girls. I did not know what she meant and explained that we were very informal.
Let me understand further: If you go through the 'vocabulary builder' in the left menu and choose new lesson it works faster than when you get there through the list of all lessons? Did I get this right?