For those new to the tech industry, trying to figure out what’s needed to build a mobile app as opposed to, say, an interactive website is a formidable task—not to mention the differences between Ruby, Python, PHP, and so on.

That’s why we love this video by Ryan Carson, co-founder of online tech education site Treehouse. In incredibly plain and understandable language, he breaks down the most common projects, jobs, and tools of the tech industry. And he does it in less than six and a half minutes!

Watch the video to get the most comprehensive explanation of how the tech world works that we’ve ever seen!