When part of the image is blurry as a stylistic effect, or the emulation of "realistic" effects, such as motion blur, depth of field, looking through certain materials, in-image photos that are blurry, etc.
The following tags are aliased to this tag: blurred (learn more).
The following tags implicate this tag: blurry_background, blurry_foreground, and depth_of_field (learn more).
