The phrase "detail pictures" refers to images that focus on specific parts or elements of something, showing them up close and in more detail. Full definition
Breaking down your reporting to focus on each individual module in a course will allow you to get a more detailed picture of how your course is performing overall. (elearningindustry.com)
This will provide you with more detailed picture of the service's performance and quality. (cvresumewritingservices.org)
They are beautiful books with detailed pictures and text about the adoptive families. (friendsinadoption.org)