The action or power, working with exactness, attention, and absorption in completing a task and learning something new or repeating actions and developing awareness of the action or knowledge. Concentration engages the whole personality through deep attention. (Boehnlein)

To develop concentration “we must provide ‘motives for activity so well adapted to the child’s interest that they provoke his deep attention.” (Montessori, Maria, The Absorbent Mind, p. 185) Concentration is “…great attention…absorbed in …work.” (Montessori, Maria, The Child, Society and the World, p. 11)