Model-Free v. Model-Based Reinforcement Learning

So you want to learn about Reinforcement Learning? Be prepared to enter into this field with confusion. Words and terminologies that make explanations confusing at best. Well, let's understand what the broad categories of Reinforcement Learning actually are, and the distinctions between them. From there, we can understand the important characteristics of methods belonging to certain categories, and be able to broaden our overall understanding of the field!