Bokeh describes the rendition of out-of-focus points of light.
Bokeh is different from sharpness. Sharpness is what happens at the point of best focus. Bokeh is what happens away from the point of best focus.
Bokeh describes the appearance or "feel" of out-of-focus backgrounds and foregrounds
It's a word of Japanese origin - pronounced Bo as in Peep - Keh as in Kevin.![]()