Question

what does it mean to have concentration? to imagine something you have never seen before. to daydream. to focus your attention on something. to let your mind wander.

Explanation:

Concentration refers to the ability to direct one's attention and focus on a particular task, object, or thought. Day - dreaming, imagining something unseen, and letting the mind wander are the opposite of concentrating.

Answer:

To focus your attention on something.