"Keen observation" refers to the act of carefully paying attention to details or things happening around you. It means being very aware and perceptive about what you see, hear, or experience. Full definition
This position allows the opportunity for keen observation of how an office in a particular industry operates. (resume-now.com)
I would achieve this with keen observation, practice, innovation and dedication. (members.climber.com)
Just like life business is a ongoing ever changing process that requires keen observation skills and the ability to take smart risks. (copyblogger.com)