Tips for remembering material

We're coming up to the time of the year when students are asking their teachers, sometimes in an increasingly frantic manner, "How do I remember all of this?"  Teachers' responses don't always help calm them, as they often involve something in the nature of  "You must also focus on how to use it."  The result can be panic - so here are some tips for students (and teachers) concerning how to remember material in a meaningful way. Teach it to someone else ...