Confused about what all those layer blending modes do in Photoshop? Well, you don’t need to be any more. Jesus Ramirez of the Photoshop Training Channel has made an excellent short video tutorial that explains each mode in simple and easily-understood terms, so even beginners will get the picture.

His 8-minute Crash Course uses a gray tone chart over a normal photograph to show how each blending mode alters the way the chart appears. Jesus also demonstrates how different brightness values blend together, and how to use layer blending to control color density and saturation. Finally, he also explains why the modes are grouped into six sections on the drop-down menu, so you can quickly find the mode you need depending on the situation.

Check out the full video above. It’ll only cost you eight minutes of your life, and you'll almost certainly learn something new unless you're already a Photoshop expert.