Fade in means something comes gradually into view. It is used in the fields of cinema and television. This is normally used when film begins.
The opening of a shot, starting from a tiny point, in the form of an ever-growing circle, until it turns into an image that fills the entire footage.The opposite of punctuated darkening.
In general, artists make a lot of use of fading or fading where a solid background gradually becomes coloured, and they also use it in music productions where a sound is gradually increased, faded or faded to inaudible. You can call sunrise the slowing down of the light and the sunset the dimming of the light.
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