Blend modes, are a series of mathematical operations through which Affinity Photo merges two overlapping layers, so that their pixels interact with each other, creating various effects. Blending modes usually affect the color and brightness values of the image pixels.
In Affinity Photo, the blending mode is handled in the options bar located in the upper section of the layer selector and controls the influence of a painting or editing tool on the pixels of the lower image
When you finish watching this Spanish Affinity Photo tutorial, you will have a solid understanding of how the Fusion Modes work and know which one to choose to get the result you want.