Joke Collection Website - Talk about mood - How does PHOTOSHOP overlay text on a picture?

How does PHOTOSHOP overlay text on a picture?

In PHOTOSHOP, the method of superimposing text on a picture is:

If there is only one background layer, please type it directly. If there are multiple layers, select the topmost layer, and the text you typed is above it. Words naturally cover the picture. As shown in the figure below: