The document discusses concentration and strategies for improving it. It defines concentration as the ability to direct one's thinking, and notes that while all people have the ability to concentrate, sometimes thoughts become scattered. It recommends learning and practicing concentration skills like committing to tasks, managing enthusiasm, improving skills, and controlling one's emotional, physical, and environmental state when focusing. The document also provides specific techniques for maintaining concentration, such as setting aside worry time and using active learning styles tailored to one's needs.