Here is a good example of how an idea expressed with too abstract a manner confuses me, while presenting it in a visual manner makes it easy. Here is an early point in understanding what neural nets do, which I read elsewhere several times before seeing it here in a way that makes it easy.
Click on the image below to go to the original web page, Hacker's guide to Neural Networks, which is a lot easier for me to understand than the similar material in chapter 1 of the Neural Networks and Deep Learning book I mentioned earlier.
