I'd use mind maps to make notes, and spaced recognition to remember, and would try to understand context as much as possible. With language learning though I'd

I'd use mind maps to make notes, and spaced recognition to remember, and would try to understand context as much as possible. With language learning though I'd try to get lessons on italki to speak with native speakers of that language. Grammar drills. Anki/Memrise for spaced repitition.