English definition of “closely”
CAREFULLY › If you look at or listen to something closely, you look at it or listen to it very carefully.
CONNECTED › If two things are closely connected, related, etc, they are very similar to each other or there is a relationship between them: The two languages are closely related. I saw a cat that closely resembles ours.
VERY NEAR › in a way that is very near in distance or time: Elke came into the room, closely followed by her children.
WORK › If you work closely with someone, you work together a lot: Nurses work closely with other medical staff.