Circle of Knowledge

Circle on which we can put all the the fundamental principles of the universe

Circle on which we can put all the the fundamental principles of the universe

We can draw similar circles for just about any domain too. How about a circle representing all the computer science fundamentals or a circle for psychology only.

When the world is about to face an apocalypse and there is only a limited amount of information you can pass on to the survivors, we should be giving them the points on the circle. And the rest of it is generally easy to build upon.

What other gaps you can think of in the circle of knowledge?