Layer masks and vector masks applied to Photoshop layers

Almost all of us use layers in Photoshop, but do you have a thorough understanding of the concept of layers and all the application functions? I believe that there are many places where the layer function is ignored by you, today we will come to a comprehensive dialysis of Photoshop layer function, to help you understand the layer in detail the most basic and important tool in Photoshop.

Masks are also an important concept in Photoshop layers, using masks to protect parts of a layer that cannot be edited. Masks can control whether parts of the layer area can be hidden or displayed. Changing a mask can apply various effects to a layer without affecting the image on that layer. Finally, an "apply mask" is required to make the change permanent.

There are two types of masks in Photoshop: layer masks and vector masks.