Principles of parsing channels through examples in Photoshop-PS tutorial

Channels of different colors record the distribution of a certain color. Split the information of these channels and merge them in layers. On the one hand, you can gain a deep understanding of the meaning of the channel, on the other hand, the channels of different colors recorded in the loading channel selection and layer blending modes are recorded. The channel information is separated and merged in layers. On the one hand, the channel meaning is deeply understood, and on the other hand, the operations for loading the channel selection and layer mixing modes are also reviewed to prepare the image.
Open a file, in fact, any color image can do this exercise.
Open the layers panel, click the Create New layer icon four times below to generate four new layers: Layer 1, Layer 2, Layer 3, and layer 4.