Thinkpad is a sub-brand of Lenovo, focusing on business. Thinkpad products are generally equipped with TrackPoint (pointing stick, commonly known as Little Red Riding Hood), ThinkLight keyboard light, full-size keyboard and APS (Active Protection System). Yoga is also a sub-brand of Lenovo. Yoga means yoga in English. Yoga has tablet computer and notebook computer products, with free turnover function, focusing on leisure and entertainment.