Translation of rosig

I hope you could understand my last letter to you. You see, when I write in Spanish I am not very confident. I always question myself and each and every sentence takes about fifteen minutes.
I already spoke to Lin, but nonetheless I would like to send you a list of lessons that you could start with. Please login to your Vocabulix account and save the lessons before starting with them.
About multiple translations: We want students to memorize 'idioma' and 'lengua' as they are both very common. The best we could do is to place them in 2 different lessons, so that users learn them both.