The phrase "keen attention to detail" means paying close and careful attention to every aspect or element of something, in order to accurately understand it or complete a task. Full definition
Excellent analytical skills with keen attention to detail, ability to analyze situations, and research information to develop sound, creative and ethical business solutions. (resumemycareer.com)
Conducted software testing needed to identify defects in application products, which required keen attention to details. (jobhero.com)
Quick learner and logical thinker, paying keen attention to detail in handling tasks. (resume4dummies.com)