Page 179 - Photoshop for Lightroom Users – Scott Kelby 2nd Edition

Step Five:
Click OK and let’s add another image. This one is a stock paper texture I downloaded from Adobe Stock where I added text from the US Constitution,
using the P22 Cezanne font (one of my favorites—I love it in all lowercase, but here it looked “right” in uppercase and lowercase). With this copied-and-
pasted into our collage image document, we now have four layers. By the way, if you look in the Layers panel, to the right of each layer’s name, you’ll see
two overlapping squares. That icon lets you know that you’ve used the Blend If sliders on those layers.