The phrase "detail in the image" refers to the small and specific features or elements that can be observed and examined closely within a picture or visual representation. Full definition
The camera's performance is top notch, with a fantastic level of detail in images. (pocket-lint.com)
This is a big plus for the phone since it means you get to capture more detail in the images as opposed to single - lens setups. (nashvillechatterclass.com)
These are each broken down into another 13 factors (detailed in image below)-- which decide how schools will get funding. (schoolsweek.co.uk)