Explanation of key concept 1. Here we have a detailed explanation.

Explanation of key concept 2

There's really rather a lot of content here. Pretty soon I will start paraphrasing random movies. That? Merely a flesh wound. People will come, Ray. People will most definitely come. Yippy kay yay, Mister Falcon. That's not how the Force works! She turned me into a newt! And now for something completely different. To wit, a picture:

There is so much to say about this idea, I don't know where to start.