Attention to detail is very important to Aikido training. Appearing almost arrogant, we can say that we train toward perfection. Perfection cannot be a destination. It is not a place we reach and stop in for a drink and a bite to eat. If perfection is a locale than it is forever beyond us and of little practical good.
Perfection is a process.
As a process perfection still contains the notion of the unattainable, but it is this unattainability that makes perfection practical for us. The process of perfection is nothing more than the continual attention to finer and finer detail - ad infinitum. We practice because there is always more to learn - more to see. And as we engage in this infinite pursuit we grow in a way that is as continual as the process itself. But in time we notice the triangular entering movement, and the hip to hip and center to center relationship between uke and nage .