~ experts see both what needs to be achieved and how it can be achieved

The proficient performer, immersed in the world of skillful activity, sees what needs to be done, but decides how to do it. The expert not only sees what needs to be achieved;

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What must be done, simply is done. As Aristotle says, the expert ‘straightway’ does ‘the appropriate thing, at the appropriate time, in the appropriate way’.

Peripheral Vision: Expertise in Real World Contexts