What exactly is 4K resolution and why’s it called that?

Welcome to TNW Basics, a collection of tips, guides, and advice on how to easily get the most out of your gadgets, apps, and other stuff. Been near technology in the past couple of years? Then you’ll have definitely seen 4K plastered across pretty much every screen or bit of media. But what actually is it? And why’s it called that? Well, we’ve got the answers! What is 4K? Basically, it’s a type of display resolution. And what’s resolution? When it co