No teacher would ever ask you to do something without explaining the theory of the lesson. any supplementary questions and practical calculations would be logical extensions. Now without studying carefully the background and try to to home work, if one thrusts on international fourm, i don,t expect that the student would ever learn anything at all.
As some one rightly said, instead of giving a fish a day/expecting a fish, it is better to teach / learn from your side, how to fish.
Please try to read the entire text and the teaching notes you had in the class. all the terms you referred would have been explained to you in the class over a period.
I don't mean that someone on the net would not ab able to calculate, design and give you the answer. But believe me you loose your game. this becomes starting point of eternal dependence on some one for every problem of yours.
Try to cross the first hurdle, the hurdles are created against you to allow you gain experience.
don't get angry with me.